Answers

Add 72/15 and 27/36

1^st number: 4 12/15, 2^nd number: 27/36

72/15 + 27/36 is 111/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 36 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 15 × 12 = 180,
   72/15 = 72 × 12/15 × 12 = 864/180
3. Likewise, for the 2nd fraction, since 36 × 5 = 180,
   27/36 = 27 × 5/36 × 5 = 135/180
4. Add the two like fractions:
   864/180 + 135/180 = 864 + 135/180 = 999/180
5. 999/180 simplified gives 111/20
6. So, 72/15 + 27/36 = 111/20
   In mixed form: 511/20

MathStep (Works offline)

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

Related: ⁷²/₁₅+⁵⁴/₃₆ ⁷²/₃₀+²⁷/₃₆ ⁷²/₁₅+²⁷/₇₂ ⁷²/₁₅+⁸¹/₃₆ ⁷²/₄₅+²⁷/₃₆ ⁷²/₇₅+²⁷/₃₆

Add Fractions Calculator