Add 4/7 and 81/54, Solve 4/7 + 1 27/54 as a fraction

Add 4/7 and 81/54

1^st number: 4/7, 2^nd number: 1 27/54

4/7 + 81/54 is 29/14.

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,
4/7 = 4 × 54/7 × 54 = 216/378
Likewise, for the 2nd fraction, since 54 × 7 = 378,
81/54 = 81 × 7/54 × 7 = 567/378
Add the two like fractions:
216/378 + 567/378 = 216 + 567/378 = 783/378
783/378 simplified gives 29/14
So, 4/7 + 81/54 = 29/14
In mixed form: 21/14

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