Subtract 1/40 from 14/30
14/30 - 1/40 is 53/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 30 × 4 = 120,
14/30 = 14 × 4/30 × 4 = 56/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
1/40 = 1 × 3/40 × 3 = 3/120 - Subtract the two like fractions:
56/120 - 3/120 = 56 - 3/120 = 53/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/30-1/40 14/30-2/40 14/60-1/40 14/30-1/80 42/30-1/40 14/30-3/40 14/90-1/40 70/30-1/40 14/30-5/40 98/30-1/40 14/30-7/40