Subtract 4/24 from 9/90
9/90 - 4/24 is -1/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 24 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 90 × 4 = 360,
9/90 = 9 × 4/90 × 4 = 36/360 - Likewise, for the 2nd fraction, since 24 × 15 = 360,
4/24 = 4 × 15/24 × 15 = 60/360 - Subtract the two like fractions:
36/360 - 60/360 = 36 - 60/360 = -24/360 - After reducing the fraction, the answer is -1/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/90-4/24 9/90-8/24 9/90-4/48 27/90-4/24 9/90-12/24 9/90-4/72 45/90-4/24 9/90-20/24 63/90-4/24 9/90-28/24