Subtract 20/24 from 14/90
14/90 - 20/24 is -61/90.
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,
14/90 = 14 × 4/90 × 4 = 56/360 - Likewise, for the 2nd fraction, since 24 × 15 = 360,
20/24 = 20 × 15/24 × 15 = 300/360 - Subtract the two like fractions:
56/360 - 300/360 = 56 - 300/360 = -244/360 - After reducing the fraction, the answer is -61/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/90-20/24 14/90-40/24 14/90-20/48 42/90-20/24 14/90-60/24 14/90-20/72 70/90-20/24 98/90-20/24