Answers

Subtract 27/72 from 84/20

1^st number: 4 4/20, 2^nd number: 27/72

84/20 - 27/72 is 153/40.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 72 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 20 × 18 = 360,
   84/20 = 84 × 18/20 × 18 = 1512/360
3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
   27/72 = 27 × 5/72 × 5 = 135/360
4. Subtract the two like fractions:
   1512/360 - 135/360 = 1512 - 135/360 = 1377/360
5. After reducing the fraction, the answer is 153/40
6. In mixed form: 333/40

MathStep (Works offline)

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

Related: ⁸⁴/₂₀-⁵⁴/₇₂ ⁸⁴/₄₀-²⁷/₇₂ ⁸⁴/₂₀-⁸¹/₇₂ ⁸⁴/₆₀-²⁷/₇₂

Subtract Fractions Calculator