Subtract 6/90 from 4/10
4/10 - 6/90 is 1/3.
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,
4/10 = 4 × 9/10 × 9 = 36/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
6/90 = 6 × 1/90 × 1 = 6/90 - Subtract the two like fractions:
36/90 - 6/90 = 36 - 6/90 = 30/90 - After reducing the fraction, the answer is 1/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/10-6/90 4/10-12/90 4/20-6/90 12/10-6/90 4/10-18/90 4/30-6/90 20/10-6/90 4/10-30/90 4/50-6/90 28/10-6/90 4/10-42/90 4/70-6/90