Add 72/54 and 4/7, Solve 1 18/54 + 4/7 as a fraction

Add 72/54 and 4/7

1^st number: 1 18/54, 2^nd number: 4/7

72/54 + 4/7 is 40/21.

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

Next, find the equivalent fraction of both fractional numbers with denominator 378
For the 1st fraction, since 54 × 7 = 378,
72/54 = 72 × 7/54 × 7 = 504/378
Likewise, for the 2nd fraction, since 7 × 54 = 378,
4/7 = 4 × 54/7 × 54 = 216/378
Add the two like fractions:
504/378 + 216/378 = 504 + 216/378 = 720/378
720/378 simplified gives 40/21
So, 72/54 + 4/7 = 40/21
In mixed form: 119/21

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