Answers

Add 72/96 and 42/15

1^st number: 72/96, 2^nd number: 2 12/15

72/96 + 42/15 is 71/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 96 and 15 is 480
   
   Next, find the equivalent fraction of both fractional numbers with denominator 480
2. For the 1st fraction, since 96 × 5 = 480,
   72/96 = 72 × 5/96 × 5 = 360/480
3. Likewise, for the 2nd fraction, since 15 × 32 = 480,
   42/15 = 42 × 32/15 × 32 = 1344/480
4. Add the two like fractions:
   360/480 + 1344/480 = 360 + 1344/480 = 1704/480
5. 1704/480 simplified gives 71/20
6. So, 72/96 + 42/15 = 71/20
   In mixed form: 311/20

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