Subtract 1/90 from 4/24
4/24 - 1/90 is 7/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 90 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 24 × 15 = 360,
4/24 = 4 × 15/24 × 15 = 60/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
1/90 = 1 × 4/90 × 4 = 4/360 - Subtract the two like fractions:
60/360 - 4/360 = 60 - 4/360 = 56/360 - After reducing the fraction, the answer is 7/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/24-1/90 4/24-2/90 4/48-1/90 12/24-1/90 4/24-3/90 4/72-1/90 20/24-1/90 4/24-5/90 28/24-1/90 4/24-7/90