Answers

Subtract 20/70 from 25/56

25/56 - 20/70 is 9/56.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 70 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 56 × 5 = 280,
   25/56 = 25 × 5/56 × 5 = 125/280
3. Likewise, for the 2nd fraction, since 70 × 4 = 280,
   20/70 = 20 × 4/70 × 4 = 80/280
4. Subtract the two like fractions:
   125/280 - 80/280 = 125 - 80/280 = 45/280
5. After reducing the fraction, the answer is 9/56

MathStep (Works offline)

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

Related: ⁵⁰/₅₆-²⁰/₇₀ ²⁵/₅₆-⁴⁰/₇₀ ⁷⁵/₅₆-²⁰/₇₀ ²⁵/₅₆-⁶⁰/₇₀

Subtract Fractions Calculator