Answers

Add 63/60 and 72/7

1^st number: 1 3/60, 2^nd number: 10 2/7

63/60 + 72/7 is 1587/140.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 7 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 60 × 7 = 420,
   63/60 = 63 × 7/60 × 7 = 441/420
3. Likewise, for the 2nd fraction, since 7 × 60 = 420,
   72/7 = 72 × 60/7 × 60 = 4320/420
4. Add the two like fractions:
   441/420 + 4320/420 = 441 + 4320/420 = 4761/420
5. 4761/420 simplified gives 1587/140
6. So, 63/60 + 72/7 = 1587/140
   In mixed form: 1147/140

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