Subtract 72/36 from 4/5
1st number: 4/5, 2nd number: 2 0/36
4/5 - 72/36 is -6/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 5 × 36 = 180,
4/5 = 4 × 36/5 × 36 = 144/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
72/36 = 72 × 5/36 × 5 = 360/180 - Subtract the two like fractions:
144/180 - 360/180 = 144 - 360/180 = -216/180 - After reducing the fraction, the answer is -6/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/5-72/36 4/10-72/36 12/5-72/36 4/15-72/36 20/5-72/36 4/25-72/36 28/5-72/36 4/35-72/36