Subtract 30/20 from 14/36
1st number: 14/36, 2nd number: 1 10/20
14/36 - 30/20 is -10/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
14/36 = 14 × 5/36 × 5 = 70/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
30/20 = 30 × 9/20 × 9 = 270/180 - Subtract the two like fractions:
70/180 - 270/180 = 70 - 270/180 = -200/180 - After reducing the fraction, the answer is -10/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/36-30/20 14/36-60/20 14/72-30/20 14/36-30/40 42/36-30/20 14/36-90/20 14/36-30/60 70/36-30/20 98/36-30/20