Answers

Add 72/30 and 70/56

1^st number: 2 12/30, 2^nd number: 1 14/56

72/30 + 70/56 is 73/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 56 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 30 × 28 = 840,
   72/30 = 72 × 28/30 × 28 = 2016/840
3. Likewise, for the 2nd fraction, since 56 × 15 = 840,
   70/56 = 70 × 15/56 × 15 = 1050/840
4. Add the two like fractions:
   2016/840 + 1050/840 = 2016 + 1050/840 = 3066/840
5. 3066/840 simplified gives 73/20
6. So, 72/30 + 70/56 = 73/20
   In mixed form: 313/20

MathStep (Works offline)

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

Related: ⁷²/₆₀+⁷⁰/₅₆ ⁷²/₉₀+⁷⁰/₅₆

Add Fractions Calculator