Answers

Add 70/49 and 30/20

1^st number: 1 21/49, 2^nd number: 1 10/20

70/49 + 30/20 is 41/14.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 49 and 20 is 980
   
   Next, find the equivalent fraction of both fractional numbers with denominator 980
2. For the 1st fraction, since 49 × 20 = 980,
   70/49 = 70 × 20/49 × 20 = 1400/980
3. Likewise, for the 2nd fraction, since 20 × 49 = 980,
   30/20 = 30 × 49/20 × 49 = 1470/980
4. Add the two like fractions:
   1400/980 + 1470/980 = 1400 + 1470/980 = 2870/980
5. 2870/980 simplified gives 41/14
6. So, 70/49 + 30/20 = 41/14
   In mixed form: 213/14

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