Answers

Subtract 25/42 from 8/4

1^st number: 2 0/4, 2^nd number: 25/42

8/4 - 25/42 is 59/42.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 42 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 4 × 21 = 84,
   8/4 = 8 × 21/4 × 21 = 168/84
3. Likewise, for the 2nd fraction, since 42 × 2 = 84,
   25/42 = 25 × 2/42 × 2 = 50/84
4. Subtract the two like fractions:
   168/84 - 50/84 = 168 - 50/84 = 118/84
5. After reducing the fraction, the answer is 59/42
6. In mixed form: 117/42

MathStep (Works offline)

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

Related: ¹⁶/₄-²⁵/₄₂ ⁸/₄-⁵⁰/₄₂ ⁸/₄-²⁵/₈₄ ²⁴/₄-²⁵/₄₂ ⁸/₄-⁷⁵/₄₂ ⁸/₁₂-²⁵/₄₂ ⁴⁰/₄-²⁵/₄₂ ⁸/₂₀-²⁵/₄₂ ⁵⁶/₄-²⁵/₄₂ ⁸/₂₈-²⁵/₄₂

Subtract Fractions Calculator