Answers

Subtract 45/24 from 42/14

1^st number: 3 0/14, 2^nd number: 1 21/24

42/14 - 45/24 is 9/8.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 14 and 24 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 14 × 12 = 168,
   42/14 = 42 × 12/14 × 12 = 504/168
3. Likewise, for the 2nd fraction, since 24 × 7 = 168,
   45/24 = 45 × 7/24 × 7 = 315/168
4. Subtract the two like fractions:
   504/168 - 315/168 = 504 - 315/168 = 189/168
5. After reducing the fraction, the answer is 9/8
6. In mixed form: 11/8

MathStep (Works offline)

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

Related: ⁸⁴/₁₄-⁴⁵/₂₄ ⁴²/₁₄-⁹⁰/₂₄ ⁴²/₂₈-⁴⁵/₂₄ ⁴²/₁₄-⁴⁵/₄₈ ⁴²/₁₄-⁴⁵/₇₂ ⁴²/₇₀-⁴⁵/₂₄ ⁴²/₉₈-⁴⁵/₂₄

Subtract Fractions Calculator