Answers

Add 84/98 and 42/54

84/98 + 42/54 is 103/63.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 54 is 2646
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2646
2. For the 1st fraction, since 98 × 27 = 2646,
   84/98 = 84 × 27/98 × 27 = 2268/2646
3. Likewise, for the 2nd fraction, since 54 × 49 = 2646,
   42/54 = 42 × 49/54 × 49 = 2058/2646
4. Add the two like fractions:
   2268/2646 + 2058/2646 = 2268 + 2058/2646 = 4326/2646
5. 4326/2646 simplified gives 103/63
6. So, 84/98 + 42/54 = 103/63
   In mixed form: 140/63

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