Answers

Subtract 56/64 from 28/18

1^st number: 1 10/18, 2^nd number: 56/64

28/18 - 56/64 is 49/72.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 64 is 576
   
   Next, find the equivalent fraction of both fractional numbers with denominator 576
2. For the 1st fraction, since 18 × 32 = 576,
   28/18 = 28 × 32/18 × 32 = 896/576
3. Likewise, for the 2nd fraction, since 64 × 9 = 576,
   56/64 = 56 × 9/64 × 9 = 504/576
4. Subtract the two like fractions:
   896/576 - 504/576 = 896 - 504/576 = 392/576
5. After reducing the fraction, the answer is 49/72

MathStep (Works offline)

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

Related: ⁵⁶/₁₈-⁵⁶/₆₄ ²⁸/₃₆-⁵⁶/₆₄ ⁸⁴/₁₈-⁵⁶/₆₄ ²⁸/₅₄-⁵⁶/₆₄ ²⁸/₉₀-⁵⁶/₆₄

Subtract Fractions Calculator