Add 28/7 and 8/54, Solve 4 0/7 + 8/54 as a fraction

Add 28/7 and 8/54

1^st number: 4 0/7, 2^nd number: 8/54

28/7 + 8/54 is 112/27.

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,
28/7 = 28 × 54/7 × 54 = 1512/378
Likewise, for the 2nd fraction, since 54 × 7 = 378,
8/54 = 8 × 7/54 × 7 = 56/378
Add the two like fractions:
1512/378 + 56/378 = 1512 + 56/378 = 1568/378
1568/378 simplified gives 112/27
So, 28/7 + 8/54 = 112/27
In mixed form: 44/27

MathStep (Works offline)

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