Answers

Add 75/98 and 54/15

1^st number: 75/98, 2^nd number: 3 9/15

75/98 + 54/15 is 2139/490.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 15 is 1470
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1470
2. For the 1st fraction, since 98 × 15 = 1470,
   75/98 = 75 × 15/98 × 15 = 1125/1470
3. Likewise, for the 2nd fraction, since 15 × 98 = 1470,
   54/15 = 54 × 98/15 × 98 = 5292/1470
4. Add the two like fractions:
   1125/1470 + 5292/1470 = 1125 + 5292/1470 = 6417/1470
5. 6417/1470 simplified gives 2139/490
6. So, 75/98 + 54/15 = 2139/490
   In mixed form: 4179/490

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