Answers

Add 56/12 and 21/98

1^st number: 4 8/12, 2^nd number: 21/98

56/12 + 21/98 is 205/42.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 98 is 588
   
   Next, find the equivalent fraction of both fractional numbers with denominator 588
2. For the 1st fraction, since 12 × 49 = 588,
   56/12 = 56 × 49/12 × 49 = 2744/588
3. Likewise, for the 2nd fraction, since 98 × 6 = 588,
   21/98 = 21 × 6/98 × 6 = 126/588
4. Add the two like fractions:
   2744/588 + 126/588 = 2744 + 126/588 = 2870/588
5. 2870/588 simplified gives 205/42
6. So, 56/12 + 21/98 = 205/42
   In mixed form: 437/42

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