Subtract 7/49 from 9/3, Solve 3 0/3

Subtract 7/49 from 9/3

1^st number: 3 0/3, 2^nd number: 7/49

9/3 - 7/49 is 20/7.

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 49 is 147

Next, find the equivalent fraction of both fractional numbers with denominator 147
For the 1st fraction, since 3 × 49 = 147,
9/3 = 9 × 49/3 × 49 = 441/147
Likewise, for the 2nd fraction, since 49 × 3 = 147,
7/49 = 7 × 3/49 × 3 = 21/147
Subtract the two like fractions:
441/147 - 21/147 = 441 - 21/147 = 420/147
After reducing the fraction, the answer is 20/7
In mixed form: 26/7

MathStep (Works offline)

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