Answers

Add 72/49 and 80/72

1^st number: 1 23/49, 2^nd number: 1 8/72

72/49 + 80/72 is 1138/441.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 49 and 72 is 3528
   
   Next, find the equivalent fraction of both fractional numbers with denominator 3528
2. For the 1st fraction, since 49 × 72 = 3528,
   72/49 = 72 × 72/49 × 72 = 5184/3528
3. Likewise, for the 2nd fraction, since 72 × 49 = 3528,
   80/72 = 80 × 49/72 × 49 = 3920/3528
4. Add the two like fractions:
   5184/3528 + 3920/3528 = 5184 + 3920/3528 = 9104/3528
5. 9104/3528 simplified gives 1138/441
6. So, 72/49 + 80/72 = 1138/441
   In mixed form: 2256/441

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