Answers

Add 70/20 and 7/49

1^st number: 3 10/20, 2^nd number: 7/49

70/20 + 7/49 is 51/14.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 49 is 980
   
   Next, find the equivalent fraction of both fractional numbers with denominator 980
2. For the 1st fraction, since 20 × 49 = 980,
   70/20 = 70 × 49/20 × 49 = 3430/980
3. Likewise, for the 2nd fraction, since 49 × 20 = 980,
   7/49 = 7 × 20/49 × 20 = 140/980
4. Add the two like fractions:
   3430/980 + 140/980 = 3430 + 140/980 = 3570/980
5. 3570/980 simplified gives 51/14
6. So, 70/20 + 7/49 = 51/14
   In mixed form: 39/14

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