Subtract 14/3 from 15/40
1st number: 15/40, 2nd number: 4 2/3
15/40 - 14/3 is -103/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 3 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
15/40 = 15 × 3/40 × 3 = 45/120 - Likewise, for the 2nd fraction, since 3 × 40 = 120,
14/3 = 14 × 40/3 × 40 = 560/120 - Subtract the two like fractions:
45/120 - 560/120 = 45 - 560/120 = -515/120 - After reducing the fraction, the answer is -103/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/40-14/3 15/40-28/3 15/80-14/3 15/40-14/6 45/40-14/3 15/40-42/3 15/40-14/9 75/40-14/3 15/40-70/3 15/40-14/15 15/40-98/3 15/40-14/21