Add 21/84 and 98/54, Solve 21/84 + 1 44/54 as a fraction

Add 21/84 and 98/54

1^st number: 21/84, 2^nd number: 1 44/54

21/84 + 98/54 is 223/108.

Find the least common denominator or LCM of the two denominators:
LCM of 84 and 54 is 756

Next, find the equivalent fraction of both fractional numbers with denominator 756
For the 1st fraction, since 84 × 9 = 756,
21/84 = 21 × 9/84 × 9 = 189/756
Likewise, for the 2nd fraction, since 54 × 14 = 756,
98/54 = 98 × 14/54 × 14 = 1372/756
Add the two like fractions:
189/756 + 1372/756 = 189 + 1372/756 = 1561/756
1561/756 simplified gives 223/108
So, 21/84 + 98/54 = 223/108
In mixed form: 27/108

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