Answers

Add 28/20 and 56/25

1^st number: 1 8/20, 2^nd number: 2 6/25

28/20 + 56/25 is 91/25.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 25 is 100
   
   Next, find the equivalent fraction of both fractional numbers with denominator 100
2. For the 1st fraction, since 20 × 5 = 100,
   28/20 = 28 × 5/20 × 5 = 140/100
3. Likewise, for the 2nd fraction, since 25 × 4 = 100,
   56/25 = 56 × 4/25 × 4 = 224/100
4. Add the two like fractions:
   140/100 + 224/100 = 140 + 224/100 = 364/100
5. 364/100 simplified gives 91/25
6. So, 28/20 + 56/25 = 91/25
   In mixed form: 316/25

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