Answers

Add 72/15 and 35/70

1^st number: 4 12/15, 2^nd number: 35/70

72/15 + 35/70 is 53/10.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 70 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 15 × 14 = 210,
   72/15 = 72 × 14/15 × 14 = 1008/210
3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
   35/70 = 35 × 3/70 × 3 = 105/210
4. Add the two like fractions:
   1008/210 + 105/210 = 1008 + 105/210 = 1113/210
5. 1113/210 simplified gives 53/10
6. So, 72/15 + 35/70 = 53/10
   In mixed form: 53/10

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