Subtract 1/72 from 10/45
10/45 - 1/72 is 5/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 45 × 8 = 360,
10/45 = 10 × 8/45 × 8 = 80/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
1/72 = 1 × 5/72 × 5 = 5/360 - Subtract the two like fractions:
80/360 - 5/360 = 80 - 5/360 = 75/360 - After reducing the fraction, the answer is 5/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/45-1/72 10/45-2/72 10/90-1/72 30/45-1/72 10/45-3/72 50/45-1/72 10/45-5/72 70/45-1/72 10/45-7/72