Answers

Add 63/28 and 98/20

1^st number: 2 7/28, 2^nd number: 4 18/20

63/28 + 98/20 is 143/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 20 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 28 × 5 = 140,
   63/28 = 63 × 5/28 × 5 = 315/140
3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
   98/20 = 98 × 7/20 × 7 = 686/140
4. Add the two like fractions:
   315/140 + 686/140 = 315 + 686/140 = 1001/140
5. 1001/140 simplified gives 143/20
6. So, 63/28 + 98/20 = 143/20
   In mixed form: 73/20

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