Add 3/54 and 25/7, Solve 3/54 + 3 4/7 as a fraction

Add 3/54 and 25/7

1^st number: 3/54, 2^nd number: 3 4/7

3/54 + 25/7 is 457/126.

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,
3/54 = 3 × 7/54 × 7 = 21/378
Likewise, for the 2nd fraction, since 7 × 54 = 378,
25/7 = 25 × 54/7 × 54 = 1350/378
Add the two like fractions:
21/378 + 1350/378 = 21 + 1350/378 = 1371/378
1371/378 simplified gives 457/126
So, 3/54 + 25/7 = 457/126
In mixed form: 379/126

MathStep (Works offline)

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