Answers

Subtract 7/90 from 5/56

5/56 - 7/90 is 29/2520.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 90 is 2520
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2520
2. For the 1st fraction, since 56 × 45 = 2520,
   5/56 = 5 × 45/56 × 45 = 225/2520
3. Likewise, for the 2nd fraction, since 90 × 28 = 2520,
   7/90 = 7 × 28/90 × 28 = 196/2520
4. Subtract the two like fractions:
   225/2520 - 196/2520 = 225 - 196/2520 = 29/2520

MathStep (Works offline)

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

Related: ¹⁰/₅₆-⁷/₉₀ ⁵/₅₆-¹⁴/₉₀ ¹⁵/₅₆-⁷/₉₀ ⁵/₅₆-²¹/₉₀ ²⁵/₅₆-⁷/₉₀ ⁵/₅₆-³⁵/₉₀ ³⁵/₅₆-⁷/₉₀ ⁵/₅₆-⁴⁹/₉₀

Subtract Fractions Calculator