Subtract 20/10 from 7/36
1st number: 7/36, 2nd number: 2 0/10
7/36 - 20/10 is -65/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 10 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
7/36 = 7 × 5/36 × 5 = 35/180 - Likewise, for the 2nd fraction, since 10 × 18 = 180,
20/10 = 20 × 18/10 × 18 = 360/180 - Subtract the two like fractions:
35/180 - 360/180 = 35 - 360/180 = -325/180 - After reducing the fraction, the answer is -65/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/36-20/10 7/36-40/10 7/72-20/10 21/36-20/10 7/36-60/10 7/36-20/30 35/36-20/10 7/36-20/50 49/36-20/10 7/36-20/70