Answers

Add 63/12 and 48/40

1^st number: 5 3/12, 2^nd number: 1 8/40

63/12 + 48/40 is 129/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 40 is 120
   
   Next, find the equivalent fraction of both fractional numbers with denominator 120
2. For the 1st fraction, since 12 × 10 = 120,
   63/12 = 63 × 10/12 × 10 = 630/120
3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
   48/40 = 48 × 3/40 × 3 = 144/120
4. Add the two like fractions:
   630/120 + 144/120 = 630 + 144/120 = 774/120
5. 774/120 simplified gives 129/20
6. So, 63/12 + 48/40 = 129/20
   In mixed form: 69/20

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