Subtract 45/90 from 2/24
2/24 - 45/90 is -5/12.
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,
45/90 = 45 × 4/90 × 4 = 180/360 - Subtract the two like fractions:
30/360 - 180/360 = 30 - 180/360 = -150/360 - After reducing the fraction, the answer is -5/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/24-45/90 2/48-45/90 6/24-45/90 2/72-45/90 10/24-45/90 14/24-45/90