Add 2/54 and 45/21, Solve 2/54 + 2 3/21 as a fraction

Add 2/54 and 45/21

1^st number: 2/54, 2^nd number: 2 3/21

2/54 + 45/21 is 412/189.

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

Next, find the equivalent fraction of both fractional numbers with denominator 378
For the 1st fraction, since 54 × 7 = 378,
2/54 = 2 × 7/54 × 7 = 14/378
Likewise, for the 2nd fraction, since 21 × 18 = 378,
45/21 = 45 × 18/21 × 18 = 810/378
Add the two like fractions:
14/378 + 810/378 = 14 + 810/378 = 824/378
824/378 simplified gives 412/189
So, 2/54 + 45/21 = 412/189
In mixed form: 234/189

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