Answers

Add 98/80 and 21/54

1^st number: 1 18/80, 2^nd number: 21/54

98/80 + 21/54 is 581/360.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 54 is 2160
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2160
2. For the 1st fraction, since 80 × 27 = 2160,
   98/80 = 98 × 27/80 × 27 = 2646/2160
3. Likewise, for the 2nd fraction, since 54 × 40 = 2160,
   21/54 = 21 × 40/54 × 40 = 840/2160
4. Add the two like fractions:
   2646/2160 + 840/2160 = 2646 + 840/2160 = 3486/2160
5. 3486/2160 simplified gives 581/360
6. So, 98/80 + 21/54 = 581/360
   In mixed form: 1221/360

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