Answers

Add 42/98 and 72/20

1^st number: 42/98, 2^nd number: 3 12/20

42/98 + 72/20 is 141/35.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 20 is 980
   
   Next, find the equivalent fraction of both fractional numbers with denominator 980
2. For the 1st fraction, since 98 × 10 = 980,
   42/98 = 42 × 10/98 × 10 = 420/980
3. Likewise, for the 2nd fraction, since 20 × 49 = 980,
   72/20 = 72 × 49/20 × 49 = 3528/980
4. Add the two like fractions:
   420/980 + 3528/980 = 420 + 3528/980 = 3948/980
5. 3948/980 simplified gives 141/35
6. So, 42/98 + 72/20 = 141/35
   In mixed form: 41/35

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