Add 40/54 and 56/42, Solve 40/54 + 1 14/42 as a fraction

Add 40/54 and 56/42

1^st number: 40/54, 2^nd number: 1 14/42

40/54 + 56/42 is 56/27.

Find the least common denominator or LCM of the two denominators:
LCM of 54 and 42 is 378

Next, find the equivalent fraction of both fractional numbers with denominator 378
For the 1st fraction, since 54 × 7 = 378,
40/54 = 40 × 7/54 × 7 = 280/378
Likewise, for the 2nd fraction, since 42 × 9 = 378,
56/42 = 56 × 9/42 × 9 = 504/378
Add the two like fractions:
280/378 + 504/378 = 280 + 504/378 = 784/378
784/378 simplified gives 56/27
So, 40/54 + 56/42 = 56/27
In mixed form: 22/27

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