Answers

Add 72/10 and 40/56

1^st number: 7 2/10, 2^nd number: 40/56

72/10 + 40/56 is 277/35.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 56 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 10 × 28 = 280,
   72/10 = 72 × 28/10 × 28 = 2016/280
3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
   40/56 = 40 × 5/56 × 5 = 200/280
4. Add the two like fractions:
   2016/280 + 200/280 = 2016 + 200/280 = 2216/280
5. 2216/280 simplified gives 277/35
6. So, 72/10 + 40/56 = 277/35
   In mixed form: 732/35

MathStep (Works offline)

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

Related: ⁷²/₁₀+⁸⁰/₅₆ ⁷²/₂₀+⁴⁰/₅₆ ⁷²/₃₀+⁴⁰/₅₆ ⁷²/₅₀+⁴⁰/₅₆ ⁷²/₇₀+⁴⁰/₅₆

Add Fractions Calculator