Answers

Subtract 15/84 from 84/2

1^st number: 42 0/2, 2^nd number: 15/84

84/2 - 15/84 is 1171/28.

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,
   84/2 = 84 × 42/2 × 42 = 3528/84
3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
   15/84 = 15 × 1/84 × 1 = 15/84
4. Subtract the two like fractions:
   3528/84 - 15/84 = 3528 - 15/84 = 3513/84
5. After reducing the fraction, the answer is 1171/28
6. In mixed form: 4123/28

MathStep (Works offline)

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

Related: ⁸⁴/₂-³⁰/₈₄ ⁸⁴/₄-¹⁵/₈₄ ⁸⁴/₂-⁴⁵/₈₄ ⁸⁴/₆-¹⁵/₈₄ ⁸⁴/₂-⁷⁵/₈₄ ⁸⁴/₁₀-¹⁵/₈₄ ⁸⁴/₁₄-¹⁵/₈₄

Subtract Fractions Calculator