Add 96/21 and 4/54, Solve 4 12/21 + 4/54 as a fraction

Add 96/21 and 4/54

1^st number: 4 12/21, 2^nd number: 4/54

96/21 + 4/54 is 878/189.

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,
96/21 = 96 × 18/21 × 18 = 1728/378
Likewise, for the 2nd fraction, since 54 × 7 = 378,
4/54 = 4 × 7/54 × 7 = 28/378
Add the two like fractions:
1728/378 + 28/378 = 1728 + 28/378 = 1756/378
1756/378 simplified gives 878/189
So, 96/21 + 4/54 = 878/189
In mixed form: 4122/189

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