Answers

Subtract 27/16 from 20/25

1^st number: 20/25, 2^nd number: 1 11/16

20/25 - 27/16 is -71/80.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 25 and 16 is 400
   
   Next, find the equivalent fraction of both fractional numbers with denominator 400
2. For the 1st fraction, since 25 × 16 = 400,
   20/25 = 20 × 16/25 × 16 = 320/400
3. Likewise, for the 2nd fraction, since 16 × 25 = 400,
   27/16 = 27 × 25/16 × 25 = 675/400
4. Subtract the two like fractions:
   320/400 - 675/400 = 320 - 675/400 = -355/400
5. After reducing the fraction, the answer is -71/80

MathStep (Works offline)

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

Related: ⁴⁰/₂₅-²⁷/₁₆ ²⁰/₂₅-⁵⁴/₁₆ ²⁰/₅₀-²⁷/₁₆ ²⁰/₂₅-²⁷/₃₂ ⁶⁰/₂₅-²⁷/₁₆ ²⁰/₂₅-⁸¹/₁₆ ²⁰/₇₅-²⁷/₁₆ ²⁰/₂₅-²⁷/₄₈ ²⁰/₂₅-²⁷/₈₀

Subtract Fractions Calculator