Add 84/98 and 63/54, Solve 84/98 + 1 9/54 as a fraction

Add 84/98 and 63/54

1^st number: 84/98, 2^nd number: 1 9/54

84/98 + 63/54 is 85/42.

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
For the 1st fraction, since 98 × 27 = 2646,
84/98 = 84 × 27/98 × 27 = 2268/2646
Likewise, for the 2nd fraction, since 54 × 49 = 2646,
63/54 = 63 × 49/54 × 49 = 3087/2646
Add the two like fractions:
2268/2646 + 3087/2646 = 2268 + 3087/2646 = 5355/2646
5355/2646 simplified gives 85/42
So, 84/98 + 63/54 = 85/42
In mixed form: 21/42

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