Subtract 18/24 from 4/45
4/45 - 18/24 is -119/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 24 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 45 × 8 = 360,
4/45 = 4 × 8/45 × 8 = 32/360 - Likewise, for the 2nd fraction, since 24 × 15 = 360,
18/24 = 18 × 15/24 × 15 = 270/360 - Subtract the two like fractions:
32/360 - 270/360 = 32 - 270/360 = -238/360 - After reducing the fraction, the answer is -119/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/45-18/24 4/45-36/24 4/90-18/24 4/45-18/48 12/45-18/24 4/45-54/24 4/45-18/72 20/45-18/24 4/45-90/24 28/45-18/24