Answers

Subtract 84/28 from 5/72

1^st number: 5/72, 2^nd number: 3 0/28

5/72 - 84/28 is -211/72.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 28 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 72 × 7 = 504,
   5/72 = 5 × 7/72 × 7 = 35/504
3. Likewise, for the 2nd fraction, since 28 × 18 = 504,
   84/28 = 84 × 18/28 × 18 = 1512/504
4. Subtract the two like fractions:
   35/504 - 1512/504 = 35 - 1512/504 = -1477/504
5. After reducing the fraction, the answer is -211/72

MathStep (Works offline)

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

Related: ¹⁰/₇₂-⁸⁴/₂₈ ⁵/₇₂-⁸⁴/₅₆ ¹⁵/₇₂-⁸⁴/₂₈ ²⁵/₇₂-⁸⁴/₂₈ ³⁵/₇₂-⁸⁴/₂₈

Subtract Fractions Calculator