Subtract 2/24 from 20/90
20/90 - 2/24 is 5/36.
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,
20/90 = 20 × 4/90 × 4 = 80/360 - Likewise, for the 2nd fraction, since 24 × 15 = 360,
2/24 = 2 × 15/24 × 15 = 30/360 - Subtract the two like fractions:
80/360 - 30/360 = 80 - 30/360 = 50/360 - After reducing the fraction, the answer is 5/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/90-2/24 20/90-4/24 20/90-2/48 60/90-2/24 20/90-6/24 20/90-2/72 20/90-10/24 20/90-14/24