Subtract 4/24 from 7/45
7/45 - 4/24 is -1/90.
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,
7/45 = 7 × 8/45 × 8 = 56/360 - Likewise, for the 2nd fraction, since 24 × 15 = 360,
4/24 = 4 × 15/24 × 15 = 60/360 - Subtract the two like fractions:
56/360 - 60/360 = 56 - 60/360 = -4/360 - After reducing the fraction, the answer is -1/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/45-4/24 7/45-8/24 7/90-4/24 7/45-4/48 21/45-4/24 7/45-12/24 7/45-4/72 35/45-4/24 7/45-20/24 49/45-4/24 7/45-28/24