Subtract 12/90 from 2/24
2/24 - 12/90 is -1/20.
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,
2/24 = 2 × 15/24 × 15 = 30/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
12/90 = 12 × 4/90 × 4 = 48/360 - Subtract the two like fractions:
30/360 - 48/360 = 30 - 48/360 = -18/360 - After reducing the fraction, the answer is -1/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/24-12/90 2/24-24/90 2/48-12/90 6/24-12/90 2/24-36/90 2/72-12/90 10/24-12/90 2/24-60/90 14/24-12/90 2/24-84/90