Subtract 25/18 from 9/14, Solve 9/14

Subtract 25/18 from 9/14

1^st number: 9/14, 2^nd number: 1 7/18

9/14 - 25/18 is -47/63.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 18 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 14 × 9 = 126,
9/14 = 9 × 9/14 × 9 = 81/126
Likewise, for the 2nd fraction, since 18 × 7 = 126,
25/18 = 25 × 7/18 × 7 = 175/126
Subtract the two like fractions:
81/126 - 175/126 = 81 - 175/126 = -94/126
After reducing the fraction, the answer is -47/63

MathStep (Works offline)

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