Answers

Add 70/50 and 98/21

1^st number: 1 20/50, 2^nd number: 4 14/21

70/50 + 98/21 is 91/15.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 50 and 21 is 1050
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1050
2. For the 1st fraction, since 50 × 21 = 1050,
   70/50 = 70 × 21/50 × 21 = 1470/1050
3. Likewise, for the 2nd fraction, since 21 × 50 = 1050,
   98/21 = 98 × 50/21 × 50 = 4900/1050
4. Add the two like fractions:
   1470/1050 + 4900/1050 = 1470 + 4900/1050 = 6370/1050
5. 6370/1050 simplified gives 91/15
6. So, 70/50 + 98/21 = 91/15
   In mixed form: 61/15

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