Answers

Add 27/98 and 63/72

27/98 + 63/72 is 451/392.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 72 is 3528
   
   Next, find the equivalent fraction of both fractional numbers with denominator 3528
2. For the 1st fraction, since 98 × 36 = 3528,
   27/98 = 27 × 36/98 × 36 = 972/3528
3. Likewise, for the 2nd fraction, since 72 × 49 = 3528,
   63/72 = 63 × 49/72 × 49 = 3087/3528
4. Add the two like fractions:
   972/3528 + 3087/3528 = 972 + 3087/3528 = 4059/3528
5. 4059/3528 simplified gives 451/392
6. So, 27/98 + 63/72 = 451/392
   In mixed form: 159/392

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