Answers

Add 70/21 and 15/50

1^st number: 3 7/21, 2^nd number: 15/50

70/21 + 15/50 is 109/30.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 50 is 1050
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1050
2. For the 1st fraction, since 21 × 50 = 1050,
   70/21 = 70 × 50/21 × 50 = 3500/1050
3. Likewise, for the 2nd fraction, since 50 × 21 = 1050,
   15/50 = 15 × 21/50 × 21 = 315/1050
4. Add the two like fractions:
   3500/1050 + 315/1050 = 3500 + 315/1050 = 3815/1050
5. 3815/1050 simplified gives 109/30
6. So, 70/21 + 15/50 = 109/30
   In mixed form: 319/30

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