Answers

Add 54/20 and 72/98

1^st number: 2 14/20, 2^nd number: 72/98

54/20 + 72/98 is 1683/490.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 98 is 980
   
   Next, find the equivalent fraction of both fractional numbers with denominator 980
2. For the 1st fraction, since 20 × 49 = 980,
   54/20 = 54 × 49/20 × 49 = 2646/980
3. Likewise, for the 2nd fraction, since 98 × 10 = 980,
   72/98 = 72 × 10/98 × 10 = 720/980
4. Add the two like fractions:
   2646/980 + 720/980 = 2646 + 720/980 = 3366/980
5. 3366/980 simplified gives 1683/490
6. So, 54/20 + 72/98 = 1683/490
   In mixed form: 3213/490

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