Answers

Add 72/15 and 30/64

1^st number: 4 12/15, 2^nd number: 30/64

72/15 + 30/64 is 843/160.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 64 is 960
   
   Next, find the equivalent fraction of both fractional numbers with denominator 960
2. For the 1st fraction, since 15 × 64 = 960,
   72/15 = 72 × 64/15 × 64 = 4608/960
3. Likewise, for the 2nd fraction, since 64 × 15 = 960,
   30/64 = 30 × 15/64 × 15 = 450/960
4. Add the two like fractions:
   4608/960 + 450/960 = 4608 + 450/960 = 5058/960
5. 5058/960 simplified gives 843/160
6. So, 72/15 + 30/64 = 843/160
   In mixed form: 543/160

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