Answers

Add 72/20 and 56/30

1^st number: 3 12/20, 2^nd number: 1 26/30

72/20 + 56/30 is 82/15.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 30 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 20 × 3 = 60,
   72/20 = 72 × 3/20 × 3 = 216/60
3. Likewise, for the 2nd fraction, since 30 × 2 = 60,
   56/30 = 56 × 2/30 × 2 = 112/60
4. Add the two like fractions:
   216/60 + 112/60 = 216 + 112/60 = 328/60
5. 328/60 simplified gives 82/15
6. So, 72/20 + 56/30 = 82/15
   In mixed form: 57/15

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