Answers

Add 18/54 and 84/98

18/54 + 84/98 is 25/21.

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,
   18/54 = 18 × 49/54 × 49 = 882/2646
3. Likewise, for the 2nd fraction, since 98 × 27 = 2646,
   84/98 = 84 × 27/98 × 27 = 2268/2646
4. Add the two like fractions:
   882/2646 + 2268/2646 = 882 + 2268/2646 = 3150/2646
5. 3150/2646 simplified gives 25/21
6. So, 18/54 + 84/98 = 25/21
   In mixed form: 14/21

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