Answers

Add 70/15 and 72/40

1^st number: 4 10/15, 2^nd number: 1 32/40

70/15 + 72/40 is 97/15.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 40 is 120
   
   Next, find the equivalent fraction of both fractional numbers with denominator 120
2. For the 1st fraction, since 15 × 8 = 120,
   70/15 = 70 × 8/15 × 8 = 560/120
3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
   72/40 = 72 × 3/40 × 3 = 216/120
4. Add the two like fractions:
   560/120 + 216/120 = 560 + 216/120 = 776/120
5. 776/120 simplified gives 97/15
6. So, 70/15 + 72/40 = 97/15
   In mixed form: 67/15

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