Simplify Ratios with Fractions Calculator

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Result

What is Simplify Ratios with Fractions Calculator?

When a ratio contains fractions like ½ : ¾, multiply all terms by the Least Common Multiple of the denominators to clear them.

Simplifying ½ : ¾
1
Find LCM
LCM(2,4) = 4
2
× 4
2 : 3
GCF = 1
2 : 3

Simplify Ratios with Fractions Calculator Formula

Convert mixed numbers to improper fractions first, then use the LCM method.

1½ : 2¼ → 3/2 : 9/4
Mixed
1½ : 2¼
Improper
3/2 : 9/4
× LCM(4)
6 : 9
÷ GCF(3)
2 : 3

Common Fraction Ratios

Here are frequently occurring fraction ratios simplified.

⅓ : ⅔
= 1 : 2
¼ : ½
= 1 : 2
⅖ : ⅗
= 2 : 3
¾ : ¼
= 3 : 1
⅝ : ⅜
= 5 : 3
⅙ : ⅓
= 1 : 2
FAQ

Frequently Asked Questions: Fractional Ratios

Learn more about simplifying ratios containing fractions.

Find a common denominator for the fractions, or multiply all terms by the Least Common Multiple (LCM) of the denominators to extract whole numbers, then simplify identically to whole numbers.
Yes, just convert your mixed numbers to improper fractions (or decimals) before using the calculator.