Answers

Add 42/98 and 70/20

1^st number: 42/98, 2^nd number: 3 10/20

42/98 + 70/20 is 55/14.

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,
   70/20 = 70 × 49/20 × 49 = 3430/980
4. Add the two like fractions:
   420/980 + 3430/980 = 420 + 3430/980 = 3850/980
5. 3850/980 simplified gives 55/14
6. So, 42/98 + 70/20 = 55/14
   In mixed form: 313/14

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