Answers

Add 80/15 and 42/30

1^st number: 5 5/15, 2^nd number: 1 12/30

80/15 + 42/30 is 101/15.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 30 is 30
   
   Next, find the equivalent fraction of both fractional numbers with denominator 30
2. For the 1st fraction, since 15 × 2 = 30,
   80/15 = 80 × 2/15 × 2 = 160/30
3. Likewise, for the 2nd fraction, since 30 × 1 = 30,
   42/30 = 42 × 1/30 × 1 = 42/30
4. Add the two like fractions:
   160/30 + 42/30 = 160 + 42/30 = 202/30
5. 202/30 simplified gives 101/15
6. So, 80/15 + 42/30 = 101/15
   In mixed form: 611/15

MathStep (Works offline)

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

Related: ⁸⁰/₁₅+⁸⁴/₃₀ ⁸⁰/₃₀+⁴²/₃₀ ⁸⁰/₁₅+⁴²/₆₀ ⁸⁰/₄₅+⁴²/₃₀ ⁸⁰/₁₅+⁴²/₉₀ ⁸⁰/₇₅+⁴²/₃₀

Add Fractions Calculator