Subtract 4/90 from 14/20
14/20 - 4/90 is 59/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
14/20 = 14 × 9/20 × 9 = 126/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
4/90 = 4 × 2/90 × 2 = 8/180 - Subtract the two like fractions:
126/180 - 8/180 = 126 - 8/180 = 118/180 - After reducing the fraction, the answer is 59/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/20-4/90 14/20-8/90 14/40-4/90 42/20-4/90 14/20-12/90 14/60-4/90 70/20-4/90 14/20-20/90 98/20-4/90 14/20-28/90