Answers

Add 80/15 and 60/72

1^st number: 5 5/15, 2^nd number: 60/72

80/15 + 60/72 is 37/6.

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,
   80/15 = 80 × 24/15 × 24 = 1920/360
3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
   60/72 = 60 × 5/72 × 5 = 300/360
4. Add the two like fractions:
   1920/360 + 300/360 = 1920 + 300/360 = 2220/360
5. 2220/360 simplified gives 37/6
6. So, 80/15 + 60/72 = 37/6
   In mixed form: 61/6

MathStep (Works offline)

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

Related: ⁸⁰/₃₀+⁶⁰/₇₂ ⁸⁰/₄₅+⁶⁰/₇₂ ⁸⁰/₇₅+⁶⁰/₇₂

Add Fractions Calculator