Answers

Add 20/60 and 63/7

1^st number: 20/60, 2^nd number: 9 0/7

20/60 + 63/7 is 28/3.

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,
   20/60 = 20 × 7/60 × 7 = 140/420
3. Likewise, for the 2nd fraction, since 7 × 60 = 420,
   63/7 = 63 × 60/7 × 60 = 3780/420
4. Add the two like fractions:
   140/420 + 3780/420 = 140 + 3780/420 = 3920/420
5. 3920/420 simplified gives 28/3
6. So, 20/60 + 63/7 = 28/3
   In mixed form: 91/3

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