Subtract 5/20 from 25/72
25/72 - 5/20 is 7/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 20 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
25/72 = 25 × 5/72 × 5 = 125/360 - Likewise, for the 2nd fraction, since 20 × 18 = 360,
5/20 = 5 × 18/20 × 18 = 90/360 - Subtract the two like fractions:
125/360 - 90/360 = 125 - 90/360 = 35/360 - After reducing the fraction, the answer is 7/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/72-5/20 25/72-10/20 25/72-5/40 75/72-5/20 25/72-15/20 25/72-5/60 25/72-25/20 25/72-35/20