Add 7/14 and 56/54, Solve 7/14 + 1 2/54 as a fraction

Add 7/14 and 56/54

1^st number: 7/14, 2^nd number: 1 2/54

7/14 + 56/54 is 83/54.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 54 is 378

Next, find the equivalent fraction of both fractional numbers with denominator 378
For the 1st fraction, since 14 × 27 = 378,
7/14 = 7 × 27/14 × 27 = 189/378
Likewise, for the 2nd fraction, since 54 × 7 = 378,
56/54 = 56 × 7/54 × 7 = 392/378
Add the two like fractions:
189/378 + 392/378 = 189 + 392/378 = 581/378
581/378 simplified gives 83/54
So, 7/14 + 56/54 = 83/54
In mixed form: 129/54

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad