Subtract 9/90 from 7/96
7/96 - 9/90 is -13/480.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 96 and 90 is 1440
Next, find the equivalent fraction of both fractional numbers with denominator 1440 - For the 1st fraction, since 96 × 15 = 1440,
7/96 = 7 × 15/96 × 15 = 105/1440 - Likewise, for the 2nd fraction, since 90 × 16 = 1440,
9/90 = 9 × 16/90 × 16 = 144/1440 - Subtract the two like fractions:
105/1440 - 144/1440 = 105 - 144/1440 = -39/1440 - After reducing the fraction, the answer is -13/480
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/96-9/90 7/96-18/90 21/96-9/90 7/96-27/90 35/96-9/90 7/96-45/90 49/96-9/90 7/96-63/90