Answers

Subtract 70/16 from 56/90

1^st number: 56/90, 2^nd number: 4 6/16

56/90 - 70/16 is -1351/360.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 16 is 720
   
   Next, find the equivalent fraction of both fractional numbers with denominator 720
2. For the 1st fraction, since 90 × 8 = 720,
   56/90 = 56 × 8/90 × 8 = 448/720
3. Likewise, for the 2nd fraction, since 16 × 45 = 720,
   70/16 = 70 × 45/16 × 45 = 3150/720
4. Subtract the two like fractions:
   448/720 - 3150/720 = 448 - 3150/720 = -2702/720
5. After reducing the fraction, the answer is -1351/360

MathStep (Works offline)

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

Related: ⁵⁶/₉₀-⁷⁰/₃₂ ⁵⁶/₉₀-⁷⁰/₄₈ ⁵⁶/₉₀-⁷⁰/₈₀

Subtract Fractions Calculator