Subtract 9/7 from 50/2, Solve 25 0/2

Subtract 9/7 from 50/2

1^st number: 25 0/2, 2^nd number: 1 2/7

50/2 - 9/7 is 166/7.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 7 is 14

Next, find the equivalent fraction of both fractional numbers with denominator 14
For the 1st fraction, since 2 × 7 = 14,
50/2 = 50 × 7/2 × 7 = 350/14
Likewise, for the 2nd fraction, since 7 × 2 = 14,
9/7 = 9 × 2/7 × 2 = 18/14
Subtract the two like fractions:
350/14 - 18/14 = 350 - 18/14 = 332/14
After reducing the fraction, the answer is 166/7
In mixed form: 235/7

MathStep (Works offline)

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