Subtract 4/96 from 1/90
1/90 - 4/96 is -11/360.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 96 is 1440
Next, find the equivalent fraction of both fractional numbers with denominator 1440 - For the 1st fraction, since 90 × 16 = 1440,
1/90 = 1 × 16/90 × 16 = 16/1440 - Likewise, for the 2nd fraction, since 96 × 15 = 1440,
4/96 = 4 × 15/96 × 15 = 60/1440 - Subtract the two like fractions:
16/1440 - 60/1440 = 16 - 60/1440 = -44/1440 - After reducing the fraction, the answer is -11/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/90-4/96 1/90-8/96 3/90-4/96 1/90-12/96 5/90-4/96 1/90-20/96 7/90-4/96 1/90-28/96