Subtract 1/90 from 1/6
1/6 - 1/90 is 7/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 6 × 15 = 90,
1/6 = 1 × 15/6 × 15 = 15/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
1/90 = 1 × 1/90 × 1 = 1/90 - Subtract the two like fractions:
15/90 - 1/90 = 15 - 1/90 = 14/90 - After reducing the fraction, the answer is 7/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/6-1/90 1/6-2/90 1/12-1/90 3/6-1/90 1/6-3/90 1/18-1/90 5/6-1/90 1/6-5/90 1/30-1/90 7/6-1/90 1/6-7/90 1/42-1/90