Subtract 1/40 from 14/15
14/15 - 1/40 is 109/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 15 × 8 = 120,
14/15 = 14 × 8/15 × 8 = 112/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
1/40 = 1 × 3/40 × 3 = 3/120 - Subtract the two like fractions:
112/120 - 3/120 = 112 - 3/120 = 109/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/15-1/40 14/15-2/40 14/30-1/40 14/15-1/80 42/15-1/40 14/15-3/40 14/45-1/40 70/15-1/40 14/15-5/40 14/75-1/40 98/15-1/40 14/15-7/40