Answers

Add 63/80 and 72/98

63/80 + 72/98 is 5967/3920.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 98 is 3920
   
   Next, find the equivalent fraction of both fractional numbers with denominator 3920
2. For the 1st fraction, since 80 × 49 = 3920,
   63/80 = 63 × 49/80 × 49 = 3087/3920
3. Likewise, for the 2nd fraction, since 98 × 40 = 3920,
   72/98 = 72 × 40/98 × 40 = 2880/3920
4. Add the two like fractions:
   3087/3920 + 2880/3920 = 3087 + 2880/3920 = 5967/3920
5. So, 63/80 + 72/98 = 5967/3920
   In mixed form: 12047/3920

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