Answers

Add 63/56 and 30/20

1^st number: 1 7/56, 2^nd number: 1 10/20

63/56 + 30/20 is 21/8.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 20 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 56 × 5 = 280,
   63/56 = 63 × 5/56 × 5 = 315/280
3. Likewise, for the 2nd fraction, since 20 × 14 = 280,
   30/20 = 30 × 14/20 × 14 = 420/280
4. Add the two like fractions:
   315/280 + 420/280 = 315 + 420/280 = 735/280
5. 735/280 simplified gives 21/8
6. So, 63/56 + 30/20 = 21/8
   In mixed form: 25/8

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