Answers

Add 7/49 and 72/20

1^st number: 7/49, 2^nd number: 3 12/20

7/49 + 72/20 is 131/35.

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,
   7/49 = 7 × 20/49 × 20 = 140/980
3. Likewise, for the 2nd fraction, since 20 × 49 = 980,
   72/20 = 72 × 49/20 × 49 = 3528/980
4. Add the two like fractions:
   140/980 + 3528/980 = 140 + 3528/980 = 3668/980
5. 3668/980 simplified gives 131/35
6. So, 7/49 + 72/20 = 131/35
   In mixed form: 326/35

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