Answers

Add 72/98 and 20/12

1^st number: 72/98, 2^nd number: 1 8/12

72/98 + 20/12 is 353/147.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 12 is 588
   
   Next, find the equivalent fraction of both fractional numbers with denominator 588
2. For the 1st fraction, since 98 × 6 = 588,
   72/98 = 72 × 6/98 × 6 = 432/588
3. Likewise, for the 2nd fraction, since 12 × 49 = 588,
   20/12 = 20 × 49/12 × 49 = 980/588
4. Add the two like fractions:
   432/588 + 980/588 = 432 + 980/588 = 1412/588
5. 1412/588 simplified gives 353/147
6. So, 72/98 + 20/12 = 353/147
   In mixed form: 259/147

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