Add 40/7 and 12/54, Solve 5 5/7 + 12/54 as a fraction

Add 40/7 and 12/54

1^st number: 5 5/7, 2^nd number: 12/54

40/7 + 12/54 is 374/63.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 54 is 378

Next, find the equivalent fraction of both fractional numbers with denominator 378
For the 1st fraction, since 7 × 54 = 378,
40/7 = 40 × 54/7 × 54 = 2160/378
Likewise, for the 2nd fraction, since 54 × 7 = 378,
12/54 = 12 × 7/54 × 7 = 84/378
Add the two like fractions:
2160/378 + 84/378 = 2160 + 84/378 = 2244/378
2244/378 simplified gives 374/63
So, 40/7 + 12/54 = 374/63
In mixed form: 559/63

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