Answers

Add 72/56 and 15/30

1^st number: 1 16/56, 2^nd number: 15/30

72/56 + 15/30 is 25/14.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 30 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 56 × 15 = 840,
   72/56 = 72 × 15/56 × 15 = 1080/840
3. Likewise, for the 2nd fraction, since 30 × 28 = 840,
   15/30 = 15 × 28/30 × 28 = 420/840
4. Add the two like fractions:
   1080/840 + 420/840 = 1080 + 420/840 = 1500/840
5. 1500/840 simplified gives 25/14
6. So, 72/56 + 15/30 = 25/14
   In mixed form: 111/14

MathStep (Works offline)

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

Related: ⁷²/₅₆+¹⁵/₆₀ ⁷²/₅₆+⁴⁵/₃₀ ⁷²/₅₆+¹⁵/₉₀ ⁷²/₅₆+⁷⁵/₃₀

Add Fractions Calculator