Answers

Add 72/56 and 70/80

1^st number: 1 16/56, 2^nd number: 70/80

72/56 + 70/80 is 121/56.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 80 is 560
   
   Next, find the equivalent fraction of both fractional numbers with denominator 560
2. For the 1st fraction, since 56 × 10 = 560,
   72/56 = 72 × 10/56 × 10 = 720/560
3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
   70/80 = 70 × 7/80 × 7 = 490/560
4. Add the two like fractions:
   720/560 + 490/560 = 720 + 490/560 = 1210/560
5. 1210/560 simplified gives 121/56
6. So, 72/56 + 70/80 = 121/56
   In mixed form: 29/56

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