Subtract 7/54 from 35/10, Solve 3 5/10

Subtract 7/54 from 35/10

1^st number: 3 5/10, 2^nd number: 7/54

35/10 - 7/54 is 91/27.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 54 is 270

Next, find the equivalent fraction of both fractional numbers with denominator 270
For the 1st fraction, since 10 × 27 = 270,
35/10 = 35 × 27/10 × 27 = 945/270
Likewise, for the 2nd fraction, since 54 × 5 = 270,
7/54 = 7 × 5/54 × 5 = 35/270
Subtract the two like fractions:
945/270 - 35/270 = 945 - 35/270 = 910/270
After reducing the fraction, the answer is 91/27
In mixed form: 310/27

MathStep (Works offline)

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