Answers

Add 2/28 and 63/20

1^st number: 2/28, 2^nd number: 3 3/20

2/28 + 63/20 is 451/140.

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,
   2/28 = 2 × 5/28 × 5 = 10/140
3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
   63/20 = 63 × 7/20 × 7 = 441/140
4. Add the two like fractions:
   10/140 + 441/140 = 10 + 441/140 = 451/140
5. So, 2/28 + 63/20 = 451/140
   In mixed form: 331/140

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