Answers

Add 60/63 and 70/15

1^st number: 60/63, 2^nd number: 4 10/15

60/63 + 70/15 is 118/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 15 is 315
   
   Next, find the equivalent fraction of both fractional numbers with denominator 315
2. For the 1st fraction, since 63 × 5 = 315,
   60/63 = 60 × 5/63 × 5 = 300/315
3. Likewise, for the 2nd fraction, since 15 × 21 = 315,
   70/15 = 70 × 21/15 × 21 = 1470/315
4. Add the two like fractions:
   300/315 + 1470/315 = 300 + 1470/315 = 1770/315
5. 1770/315 simplified gives 118/21
6. So, 60/63 + 70/15 = 118/21
   In mixed form: 513/21

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