Answers

Add 72/64 and 15/56

1^st number: 1 8/64, 2^nd number: 15/56

72/64 + 15/56 is 39/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 64 and 56 is 448
   
   Next, find the equivalent fraction of both fractional numbers with denominator 448
2. For the 1st fraction, since 64 × 7 = 448,
   72/64 = 72 × 7/64 × 7 = 504/448
3. Likewise, for the 2nd fraction, since 56 × 8 = 448,
   15/56 = 15 × 8/56 × 8 = 120/448
4. Add the two like fractions:
   504/448 + 120/448 = 504 + 120/448 = 624/448
5. 624/448 simplified gives 39/28
6. So, 72/64 + 15/56 = 39/28
   In mixed form: 111/28

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