Subtract 45/40 from 14/12
1st number: 1 2/12, 2nd number: 1 5/40
14/12 - 45/40 is 1/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 12 × 10 = 120,
14/12 = 14 × 10/12 × 10 = 140/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
45/40 = 45 × 3/40 × 3 = 135/120 - Subtract the two like fractions:
140/120 - 135/120 = 140 - 135/120 = 5/120 - After reducing the fraction, the answer is 1/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/12-45/40 14/12-90/40 14/24-45/40 14/12-45/80 42/12-45/40 14/36-45/40 70/12-45/40 14/60-45/40 98/12-45/40 14/84-45/40