Answers

Add 98/80 and 42/54

1^st number: 1 18/80, 2^nd number: 42/54

98/80 + 42/54 is 721/360.

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,
   42/54 = 42 × 40/54 × 40 = 1680/2160
4. Add the two like fractions:
   2646/2160 + 1680/2160 = 2646 + 1680/2160 = 4326/2160
5. 4326/2160 simplified gives 721/360
6. So, 98/80 + 42/54 = 721/360
   In mixed form: 21/360

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