Answers

Add 72/98 and 28/80

72/98 + 28/80 is 1063/980.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 80 is 3920
   
   Next, find the equivalent fraction of both fractional numbers with denominator 3920
2. For the 1st fraction, since 98 × 40 = 3920,
   72/98 = 72 × 40/98 × 40 = 2880/3920
3. Likewise, for the 2nd fraction, since 80 × 49 = 3920,
   28/80 = 28 × 49/80 × 49 = 1372/3920
4. Add the two like fractions:
   2880/3920 + 1372/3920 = 2880 + 1372/3920 = 4252/3920
5. 4252/3920 simplified gives 1063/980
6. So, 72/98 + 28/80 = 1063/980
   In mixed form: 183/980

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