Subtract 1/36 from 6/90
6/90 - 1/36 is 7/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
6/90 = 6 × 2/90 × 2 = 12/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
1/36 = 1 × 5/36 × 5 = 5/180 - Subtract the two like fractions:
12/180 - 5/180 = 12 - 5/180 = 7/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/90-1/36 6/90-2/36 6/90-1/72 18/90-1/36 6/90-3/36 30/90-1/36 6/90-5/36 42/90-1/36 6/90-7/36