Answers

Add 7/72 and 9/49

7/72 + 9/49 is 991/3528.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 49 is 3528
   
   Next, find the equivalent fraction of both fractional numbers with denominator 3528
2. For the 1st fraction, since 72 × 49 = 3528,
   7/72 = 7 × 49/72 × 49 = 343/3528
3. Likewise, for the 2nd fraction, since 49 × 72 = 3528,
   9/49 = 9 × 72/49 × 72 = 648/3528
4. Add the two like fractions:
   343/3528 + 648/3528 = 343 + 648/3528 = 991/3528
5. So, 7/72 + 9/49 = 991/3528

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