Subtract 6/10 from 9/40
9/40 - 6/10 is -3/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 10 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
9/40 = 9 × 1/40 × 1 = 9/40 - Likewise, for the 2nd fraction, since 10 × 4 = 40,
6/10 = 6 × 4/10 × 4 = 24/40 - Subtract the two like fractions:
9/40 - 24/40 = 9 - 24/40 = -15/40 - After reducing the fraction, the answer is -3/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/40-6/10 9/40-12/10 9/80-6/10 9/40-6/20 27/40-6/10 9/40-18/10 9/40-6/30 45/40-6/10 9/40-30/10 9/40-6/50 63/40-6/10 9/40-42/10 9/40-6/70