Subtract 9/24 from 1/40
1/40 - 9/24 is -7/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
1/40 = 1 × 3/40 × 3 = 3/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
9/24 = 9 × 5/24 × 5 = 45/120 - Subtract the two like fractions:
3/120 - 45/120 = 3 - 45/120 = -42/120 - After reducing the fraction, the answer is -7/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/40-9/24 1/40-18/24 1/80-9/24 1/40-9/48 3/40-9/24 1/40-27/24 1/40-9/72 5/40-9/24 1/40-45/24 7/40-9/24 1/40-63/24