Answers

Add 70/15 and 72/16

1^st number: 4 10/15, 2^nd number: 4 8/16

70/15 + 72/16 is 55/6.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 16 is 240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 240
2. For the 1st fraction, since 15 × 16 = 240,
   70/15 = 70 × 16/15 × 16 = 1120/240
3. Likewise, for the 2nd fraction, since 16 × 15 = 240,
   72/16 = 72 × 15/16 × 15 = 1080/240
4. Add the two like fractions:
   1120/240 + 1080/240 = 1120 + 1080/240 = 2200/240
5. 2200/240 simplified gives 55/6
6. So, 70/15 + 72/16 = 55/6
   In mixed form: 91/6

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