Subtract 14/20 from 2/9
2/9 - 14/20 is -43/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 9 × 20 = 180,
2/9 = 2 × 20/9 × 20 = 40/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
14/20 = 14 × 9/20 × 9 = 126/180 - Subtract the two like fractions:
40/180 - 126/180 = 40 - 126/180 = -86/180 - After reducing the fraction, the answer is -43/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/9-14/20 2/9-28/20 2/18-14/20 2/9-14/40 6/9-14/20 2/9-42/20 2/27-14/20 2/9-14/60 10/9-14/20 2/9-70/20 2/45-14/20 14/9-14/20 2/9-98/20 2/63-14/20