Answers

Add 42/45 and 70/9

1^st number: 42/45, 2^nd number: 7 7/9

42/45 + 70/9 is 392/45.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 9 is 45
   
   Next, find the equivalent fraction of both fractional numbers with denominator 45
2. For the 1st fraction, since 45 × 1 = 45,
   42/45 = 42 × 1/45 × 1 = 42/45
3. Likewise, for the 2nd fraction, since 9 × 5 = 45,
   70/9 = 70 × 5/9 × 5 = 350/45
4. Add the two like fractions:
   42/45 + 350/45 = 42 + 350/45 = 392/45
5. So, 42/45 + 70/9 = 392/45
   In mixed form: 832/45

MathStep (Works offline)

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

Related: ⁸⁴/₄₅+⁷⁰/₉ ⁴²/₉₀+⁷⁰/₉ ⁴²/₄₅+⁷⁰/₁₈ ⁴²/₄₅+⁷⁰/₂₇ ⁴²/₄₅+⁷⁰/₄₅ ⁴²/₄₅+⁷⁰/₆₃

Add Fractions Calculator