Subtract 3/90 from 1/10
1/10 - 3/90 is 1/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
1/10 = 1 × 9/10 × 9 = 9/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
3/90 = 3 × 1/90 × 1 = 3/90 - Subtract the two like fractions:
9/90 - 3/90 = 9 - 3/90 = 6/90 - After reducing the fraction, the answer is 1/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/10-3/90 1/10-6/90 1/20-3/90 3/10-3/90 1/10-9/90 1/30-3/90 5/10-3/90 1/10-15/90 1/50-3/90 7/10-3/90 1/10-21/90 1/70-3/90