Answers

Add 7/72 and 98/80

1^st number: 7/72, 2^nd number: 1 18/80

7/72 + 98/80 is 119/90.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 80 is 720
   
   Next, find the equivalent fraction of both fractional numbers with denominator 720
2. For the 1st fraction, since 72 × 10 = 720,
   7/72 = 7 × 10/72 × 10 = 70/720
3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
   98/80 = 98 × 9/80 × 9 = 882/720
4. Add the two like fractions:
   70/720 + 882/720 = 70 + 882/720 = 952/720
5. 952/720 simplified gives 119/90
6. So, 7/72 + 98/80 = 119/90
   In mixed form: 129/90

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