Simplify the ratio of two numbers. See the simplified ratio, fraction, decimal, percentage split, scale to a target total, and a table of equivalent ratios.
Ratios are fundamental to mathematics and everyday life — from mixing recipes to financial analysis, architectural scales, and screen aspect ratios. Our ratio of two numbers calculator takes any pair of positive values and simplifies them to the lowest terms by dividing both by their greatest common divisor (GCD).
Beyond simplification, the tool converts the ratio to a fraction, decimal, and percentage split so you can see exactly how the two parts relate as portions of the whole. If you enter an optional total, the calculator scales the ratio to show the actual amounts each part receives — perfect for dividing profits, ingredients, or resources.
The equivalent ratios table generates multiples of the simplified ratio, making it easy to find a scaling factor for any application. A visual proportion bar immediately shows the split between the two quantities, while value comparison bars let you see the relative magnitudes at a glance. Eight built-in presets cover common aspect ratios (16:9), simple splits (1:2), and real-world distribution problems.
Ratio of Two Numbers Calculator — Simplify a:b helps you solve ratio of two numbers calculator — simplify a:b problems quickly while keeping each step transparent. Instead of redoing long algebra by hand, you can enter Number A, Number B, Total (optional) once and immediately inspect Simplified Ratio, As Fraction, Decimal to validate your work.
This is useful for homework checks, classroom examples, and practical what-if analysis. You keep the conceptual understanding while reducing arithmetic mistakes in multi-step calculations.
Simplified ratio: a/GCD(a,b) : b/GCD(a,b). Percentage: A% = a/(a+b) × 100. Scaled amount A = Total × a/(a+b). Decimal = a/b.
Result: Simplified Ratio shown by the calculator
Using the preset "3 : 4", the calculator evaluates the ratio of two numbers calculator — simplify a:b setup, applies the selected algebra rules, and reports Simplified Ratio with supporting checks so you can verify each transformation.
This calculator takes Number A, Number B, Total (optional), Equivalent Ratios Count and applies the relevant ratio of two numbers calculator — simplify a:b relationships from your chosen method. It returns both final and intermediate values so you can audit the process instead of treating it as a black box.
Start with the primary output, then use Simplified Ratio, As Fraction, Decimal, Inverse to confirm signs, magnitude, and internal consistency. If anything looks off, change one input and compare the updated outputs to isolate the issue quickly.
A strong workflow is manual solve first, calculator verify second. Repeating that loop improves speed and accuracy because you learn to spot common setup errors before they cost points on multi-step algebra problems.
A ratio compares two quantities by division. Writing a:b means for every a units of the first quantity, there are b units of the second.
Divide both numbers by their greatest common divisor (GCD). For example, 12:8 → GCD is 4 → 3:2.
Two ratios are equivalent if they simplify to the same value. For example, 2:3, 4:6, and 6:9 are all equivalent.
Add both parts to get the total, then divide each part by the total and multiply by 100. For 3:7 → 30% and 70%.
Yes. The calculator accepts decimals and rounds to the nearest integer before computing the GCD for simplification.
A ratio a:b compares two separate quantities; a fraction a/b represents a part of a whole. Mathematically they are related: a:b = a/(a+b) of the whole.