Subtract 56/40 from 14/18
1st number: 14/18, 2nd number: 1 16/40
14/18 - 56/40 is -28/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 18 × 20 = 360,
14/18 = 14 × 20/18 × 20 = 280/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
56/40 = 56 × 9/40 × 9 = 504/360 - Subtract the two like fractions:
280/360 - 504/360 = 280 - 504/360 = -224/360 - After reducing the fraction, the answer is -28/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/18-56/40 14/36-56/40 14/18-56/80 42/18-56/40 14/54-56/40 70/18-56/40 14/90-56/40 98/18-56/40