Subtract 14/20 from 27/18
1st number: 1 9/18, 2nd number: 14/20
27/18 - 14/20 is 4/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 18 × 10 = 180,
27/18 = 27 × 10/18 × 10 = 270/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
14/20 = 14 × 9/20 × 9 = 126/180 - Subtract the two like fractions:
270/180 - 126/180 = 270 - 126/180 = 144/180 - After reducing the fraction, the answer is 4/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/18-14/20 27/18-28/20 27/36-14/20 27/18-14/40 81/18-14/20 27/18-42/20 27/54-14/20 27/18-14/60 27/18-70/20 27/90-14/20 27/18-98/20