Subtract 6/72 from 25/90
25/90 - 6/72 is 7/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 90 × 4 = 360,
25/90 = 25 × 4/90 × 4 = 100/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
6/72 = 6 × 5/72 × 5 = 30/360 - Subtract the two like fractions:
100/360 - 30/360 = 100 - 30/360 = 70/360 - After reducing the fraction, the answer is 7/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/90-6/72 25/90-12/72 75/90-6/72 25/90-18/72 25/90-30/72 25/90-42/72