Subtract 90/40 from 6/10
1st number: 6/10, 2nd number: 2 10/40
6/10 - 90/40 is -33/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 10 × 4 = 40,
6/10 = 6 × 4/10 × 4 = 24/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
90/40 = 90 × 1/40 × 1 = 90/40 - Subtract the two like fractions:
24/40 - 90/40 = 24 - 90/40 = -66/40 - After reducing the fraction, the answer is -33/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/10-90/40 6/20-90/40 6/10-90/80 18/10-90/40 6/30-90/40 30/10-90/40 6/50-90/40 42/10-90/40 6/70-90/40