Answers

Add 15/8 and 56/20

1^st number: 1 7/8, 2^nd number: 2 16/20

15/8 + 56/20 is 187/40.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 8 and 20 is 40
   
   Next, find the equivalent fraction of both fractional numbers with denominator 40
2. For the 1st fraction, since 8 × 5 = 40,
   15/8 = 15 × 5/8 × 5 = 75/40
3. Likewise, for the 2nd fraction, since 20 × 2 = 40,
   56/20 = 56 × 2/20 × 2 = 112/40
4. Add the two like fractions:
   75/40 + 112/40 = 75 + 112/40 = 187/40
5. So, 15/8 + 56/20 = 187/40
   In mixed form: 427/40

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