Answers

Subtract 7/20 from 25/27

25/27 - 7/20 is 311/540.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 27 and 20 is 540
   
   Next, find the equivalent fraction of both fractional numbers with denominator 540
2. For the 1st fraction, since 27 × 20 = 540,
   25/27 = 25 × 20/27 × 20 = 500/540
3. Likewise, for the 2nd fraction, since 20 × 27 = 540,
   7/20 = 7 × 27/20 × 27 = 189/540
4. Subtract the two like fractions:
   500/540 - 189/540 = 500 - 189/540 = 311/540

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related: ⁵⁰/₂₇-⁷/₂₀ ²⁵/₂₇-¹⁴/₂₀ ²⁵/₅₄-⁷/₂₀ ²⁵/₂₇-⁷/₄₀ ⁷⁵/₂₇-⁷/₂₀ ²⁵/₂₇-²¹/₂₀ ²⁵/₈₁-⁷/₂₀ ²⁵/₂₇-⁷/₆₀ ²⁵/₂₇-³⁵/₂₀ ²⁵/₂₇-⁴⁹/₂₀

Subtract Fractions Calculator