Answers

Add 75/54 and 15/98

1^st number: 1 21/54, 2^nd number: 15/98

75/54 + 15/98 is 680/441.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 98 is 2646
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2646
2. For the 1st fraction, since 54 × 49 = 2646,
   75/54 = 75 × 49/54 × 49 = 3675/2646
3. Likewise, for the 2nd fraction, since 98 × 27 = 2646,
   15/98 = 15 × 27/98 × 27 = 405/2646
4. Add the two like fractions:
   3675/2646 + 405/2646 = 3675 + 405/2646 = 4080/2646
5. 4080/2646 simplified gives 680/441
6. So, 75/54 + 15/98 = 680/441
   In mixed form: 1239/441

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