Subtract 90/24 from 2/90
1st number: 2/90, 2nd number: 3 18/24
2/90 - 90/24 is -671/180.
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,
2/90 = 2 × 4/90 × 4 = 8/360 - Likewise, for the 2nd fraction, since 24 × 15 = 360,
90/24 = 90 × 15/24 × 15 = 1350/360 - Subtract the two like fractions:
8/360 - 1350/360 = 8 - 1350/360 = -1342/360 - After reducing the fraction, the answer is -671/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/90-90/24 2/90-90/48 6/90-90/24 2/90-90/72 10/90-90/24 14/90-90/24