Answers

Add 70/15 and 21/98

1^st number: 4 10/15, 2^nd number: 21/98

70/15 + 21/98 is 205/42.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 98 is 1470
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1470
2. For the 1st fraction, since 15 × 98 = 1470,
   70/15 = 70 × 98/15 × 98 = 6860/1470
3. Likewise, for the 2nd fraction, since 98 × 15 = 1470,
   21/98 = 21 × 15/98 × 15 = 315/1470
4. Add the two like fractions:
   6860/1470 + 315/1470 = 6860 + 315/1470 = 7175/1470
5. 7175/1470 simplified gives 205/42
6. So, 70/15 + 21/98 = 205/42
   In mixed form: 437/42

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