Answers

Add 32/10 and 70/42

1^st number: 3 2/10, 2^nd number: 1 28/42

32/10 + 70/42 is 73/15.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 42 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 10 × 21 = 210,
   32/10 = 32 × 21/10 × 21 = 672/210
3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
   70/42 = 70 × 5/42 × 5 = 350/210
4. Add the two like fractions:
   672/210 + 350/210 = 672 + 350/210 = 1022/210
5. 1022/210 simplified gives 73/15
6. So, 32/10 + 70/42 = 73/15
   In mixed form: 413/15

MathStep (Works offline)

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

Related: ⁶⁴/₁₀+⁷⁰/₄₂ ³²/₂₀+⁷⁰/₄₂ ³²/₁₀+⁷⁰/₈₄ ⁹⁶/₁₀+⁷⁰/₄₂ ³²/₃₀+⁷⁰/₄₂ ³²/₅₀+⁷⁰/₄₂ ³²/₇₀+⁷⁰/₄₂

Add Fractions Calculator