Subtract 72/24 from 5/45
1st number: 5/45, 2nd number: 3 0/24
5/45 - 72/24 is -26/9.
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,
5/45 = 5 × 8/45 × 8 = 40/360 - Likewise, for the 2nd fraction, since 24 × 15 = 360,
72/24 = 72 × 15/24 × 15 = 1080/360 - Subtract the two like fractions:
40/360 - 1080/360 = 40 - 1080/360 = -1040/360 - After reducing the fraction, the answer is -26/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/45-72/24 5/90-72/24 5/45-72/48 15/45-72/24 25/45-72/24 35/45-72/24