Subtract 14/20 from 14/9
1st number: 1 5/9, 2nd number: 14/20
14/9 - 14/20 is 77/90.
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,
14/9 = 14 × 20/9 × 20 = 280/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
14/20 = 14 × 9/20 × 9 = 126/180 - Subtract the two like fractions:
280/180 - 126/180 = 280 - 126/180 = 154/180 - After reducing the fraction, the answer is 77/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/9-14/20 14/9-28/20 14/18-14/20 14/9-14/40 42/9-14/20 14/9-42/20 14/27-14/20 14/9-14/60 70/9-14/20 14/9-70/20 14/45-14/20 98/9-14/20 14/9-98/20 14/63-14/20