Subtract 30/27 from 14/40
1st number: 14/40, 2nd number: 1 3/27
14/40 - 30/27 is -137/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 27 is 1080
Next, find the equivalent fraction of both fractional numbers with denominator 1080 - For the 1st fraction, since 40 × 27 = 1080,
14/40 = 14 × 27/40 × 27 = 378/1080 - Likewise, for the 2nd fraction, since 27 × 40 = 1080,
30/27 = 30 × 40/27 × 40 = 1200/1080 - Subtract the two like fractions:
378/1080 - 1200/1080 = 378 - 1200/1080 = -822/1080 - After reducing the fraction, the answer is -137/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/40-30/27 14/40-60/27 14/80-30/27 14/40-30/54 42/40-30/27 14/40-90/27 14/40-30/81 70/40-30/27 98/40-30/27