Answers

Add 15/12 and 63/56

1^st number: 1 3/12, 2^nd number: 1 7/56

15/12 + 63/56 is 19/8.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 56 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 12 × 14 = 168,
   15/12 = 15 × 14/12 × 14 = 210/168
3. Likewise, for the 2nd fraction, since 56 × 3 = 168,
   63/56 = 63 × 3/56 × 3 = 189/168
4. Add the two like fractions:
   210/168 + 189/168 = 210 + 189/168 = 399/168
5. 399/168 simplified gives 19/8
6. So, 15/12 + 63/56 = 19/8
   In mixed form: 23/8

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