Answers

Add 27/15 and 56/72

1^st number: 1 12/15, 2^nd number: 56/72

27/15 + 56/72 is 116/45.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 72 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 15 × 24 = 360,
   27/15 = 27 × 24/15 × 24 = 648/360
3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
   56/72 = 56 × 5/72 × 5 = 280/360
4. Add the two like fractions:
   648/360 + 280/360 = 648 + 280/360 = 928/360
5. 928/360 simplified gives 116/45
6. So, 27/15 + 56/72 = 116/45
   In mixed form: 226/45

MathStep (Works offline)

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

Related: ⁵⁴/₁₅+⁵⁶/₇₂ ²⁷/₃₀+⁵⁶/₇₂ ⁸¹/₁₅+⁵⁶/₇₂ ²⁷/₄₅+⁵⁶/₇₂ ²⁷/₇₅+⁵⁶/₇₂

Add Fractions Calculator