Subtract 8/24 from 10/90
10/90 - 8/24 is -2/9.
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,
10/90 = 10 × 4/90 × 4 = 40/360 - Likewise, for the 2nd fraction, since 24 × 15 = 360,
8/24 = 8 × 15/24 × 15 = 120/360 - Subtract the two like fractions:
40/360 - 120/360 = 40 - 120/360 = -80/360 - After reducing the fraction, the answer is -2/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/90-8/24 10/90-16/24 10/90-8/48 30/90-8/24 10/90-8/72 50/90-8/24 10/90-40/24 70/90-8/24 10/90-56/24