Answers

Add 4/20 and 45/28

1^st number: 4/20, 2^nd number: 1 17/28

4/20 + 45/28 is 253/140.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 28 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 20 × 7 = 140,
   4/20 = 4 × 7/20 × 7 = 28/140
3. Likewise, for the 2nd fraction, since 28 × 5 = 140,
   45/28 = 45 × 5/28 × 5 = 225/140
4. Add the two like fractions:
   28/140 + 225/140 = 28 + 225/140 = 253/140
5. So, 4/20 + 45/28 = 253/140
   In mixed form: 1113/140

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