Answers

Subtract 15/8 from 42/32

1^st number: 1 10/32, 2^nd number: 1 7/8

42/32 - 15/8 is -9/16.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 32 and 8 is 32
   
   Next, find the equivalent fraction of both fractional numbers with denominator 32
2. For the 1st fraction, since 32 × 1 = 32,
   42/32 = 42 × 1/32 × 1 = 42/32
3. Likewise, for the 2nd fraction, since 8 × 4 = 32,
   15/8 = 15 × 4/8 × 4 = 60/32
4. Subtract the two like fractions:
   42/32 - 60/32 = 42 - 60/32 = -18/32
5. After reducing the fraction, the answer is -9/16

MathStep (Works offline)

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

Related: ⁸⁴/₃₂-¹⁵/₈ ⁴²/₃₂-³⁰/₈ ⁴²/₆₄-¹⁵/₈ ⁴²/₃₂-¹⁵/₁₆ ⁴²/₃₂-⁴⁵/₈ ⁴²/₉₆-¹⁵/₈ ⁴²/₃₂-¹⁵/₂₄ ⁴²/₃₂-⁷⁵/₈ ⁴²/₃₂-¹⁵/₄₀ ⁴²/₃₂-¹⁵/₅₆

Subtract Fractions Calculator