Subtract 5/72 from 8/20
8/20 - 5/72 is 119/360.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 20 × 18 = 360,
8/20 = 8 × 18/20 × 18 = 144/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
5/72 = 5 × 5/72 × 5 = 25/360 - Subtract the two like fractions:
144/360 - 25/360 = 144 - 25/360 = 119/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/20-5/72 8/20-10/72 8/40-5/72 24/20-5/72 8/20-15/72 8/60-5/72 40/20-5/72 8/20-25/72 56/20-5/72 8/20-35/72