Answers

Add 1/20 and 63/28

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

1/20 + 63/28 is 23/10.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 28 is 140
2. For the 1st fraction, since 20 × 7 = 140,
   1/20 = 1 × 7/20 × 7 = 7/140
3. Likewise, for the 2nd fraction, since 28 × 5 = 140,
   63/28 = 63 × 5/28 × 5 = 315/140
4. Add the two fractions:
   7/140 + 315/140 = 7 + 315/140 = 322/140
5. After reducing the fraction, the answer is 23/10
6. In mixed form: 23/10

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