Add 98/21 and 42/54, Solve 4 14/21 + 42/54 as a fraction

Add 98/21 and 42/54

1^st number: 4 14/21, 2^nd number: 42/54

98/21 + 42/54 is 49/9.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 54 is 378

Next, find the equivalent fraction of both fractional numbers with denominator 378
For the 1st fraction, since 21 × 18 = 378,
98/21 = 98 × 18/21 × 18 = 1764/378
Likewise, for the 2nd fraction, since 54 × 7 = 378,
42/54 = 42 × 7/54 × 7 = 294/378
Add the two like fractions:
1764/378 + 294/378 = 1764 + 294/378 = 2058/378
2058/378 simplified gives 49/9
So, 98/21 + 42/54 = 49/9
In mixed form: 54/9

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