Answers

Add 56/15 and 70/42

1^st number: 3 11/15, 2^nd number: 1 28/42

56/15 + 70/42 is 27/5.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 42 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 15 × 14 = 210,
   56/15 = 56 × 14/15 × 14 = 784/210
3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
   70/42 = 70 × 5/42 × 5 = 350/210
4. Add the two like fractions:
   784/210 + 350/210 = 784 + 350/210 = 1134/210
5. 1134/210 simplified gives 27/5
6. So, 56/15 + 70/42 = 27/5
   In mixed form: 52/5

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