Subtract 3/72 from 20/5
1st number: 4 0/5, 2nd number: 3/72
20/5 - 3/72 is 95/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 5 × 72 = 360,
20/5 = 20 × 72/5 × 72 = 1440/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
3/72 = 3 × 5/72 × 5 = 15/360 - Subtract the two like fractions:
1440/360 - 15/360 = 1440 - 15/360 = 1425/360 - After reducing the fraction, the answer is 95/24
- In mixed form: 323/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/5-3/72 20/5-6/72 20/10-3/72 60/5-3/72 20/5-9/72 20/15-3/72 20/5-15/72 20/25-3/72 20/5-21/72 20/35-3/72