Answers

Subtract 40/42 from 35/8

1^st number: 4 3/8, 2^nd number: 40/42

35/8 - 40/42 is 575/168.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 8 and 42 is 168
2. For the 1st fraction, since 8 × 21 = 168,
   35/8 = 35 × 21/8 × 21 = 735/168
3. Likewise, for the 2nd fraction, since 42 × 4 = 168,
   40/42 = 40 × 4/42 × 4 = 160/168
4. Subtract the two fractions:
   735/168 - 160/168 = 735 - 160/168 = 575/168
5. In mixed form: 371/168

MathStep (Works offline)

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

Related: ⁷⁰/₈-⁴⁰/₄₂ ³⁵/₈-⁸⁰/₄₂ ³⁵/₁₆-⁴⁰/₄₂ ³⁵/₈-⁴⁰/₈₄ ³⁵/₂₄-⁴⁰/₄₂ ³⁵/₄₀-⁴⁰/₄₂ ³⁵/₅₆-⁴⁰/₄₂

Subtract Fractions Calculator