Answers

Add 48/12 and 70/63

1^st number: 4 0/12, 2^nd number: 1 7/63

48/12 + 70/63 is 46/9.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 63 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 12 × 21 = 252,
   48/12 = 48 × 21/12 × 21 = 1008/252
3. Likewise, for the 2nd fraction, since 63 × 4 = 252,
   70/63 = 70 × 4/63 × 4 = 280/252
4. Add the two like fractions:
   1008/252 + 280/252 = 1008 + 280/252 = 1288/252
5. 1288/252 simplified gives 46/9
6. So, 48/12 + 70/63 = 46/9
   In mixed form: 51/9

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