Answers

Add 63/42 and 12/56

1^st number: 1 21/42, 2^nd number: 12/56

63/42 + 12/56 is 12/7.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 56 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 42 × 4 = 168,
   63/42 = 63 × 4/42 × 4 = 252/168
3. Likewise, for the 2nd fraction, since 56 × 3 = 168,
   12/56 = 12 × 3/56 × 3 = 36/168
4. Add the two like fractions:
   252/168 + 36/168 = 252 + 36/168 = 288/168
5. 288/168 simplified gives 12/7
6. So, 63/42 + 12/56 = 12/7
   In mixed form: 15/7

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