Answers

Subtract 50/84 from 42/2

1^st number: 21 0/2, 2^nd number: 50/84

42/2 - 50/84 is 857/42.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 2 and 84 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 2 × 42 = 84,
   42/2 = 42 × 42/2 × 42 = 1764/84
3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
   50/84 = 50 × 1/84 × 1 = 50/84
4. Subtract the two like fractions:
   1764/84 - 50/84 = 1764 - 50/84 = 1714/84
5. After reducing the fraction, the answer is 857/42
6. In mixed form: 2017/42

MathStep (Works offline)

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

Related: ⁸⁴/₂-⁵⁰/₈₄ ⁴²/₄-⁵⁰/₈₄ ⁴²/₆-⁵⁰/₈₄ ⁴²/₁₀-⁵⁰/₈₄ ⁴²/₁₄-⁵⁰/₈₄

Subtract Fractions Calculator