Subtract 18/4 from 14/20
1st number: 14/20, 2nd number: 4 2/4
14/20 - 18/4 is -19/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 4 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
14/20 = 14 × 1/20 × 1 = 14/20 - Likewise, for the 2nd fraction, since 4 × 5 = 20,
18/4 = 18 × 5/4 × 5 = 90/20 - Subtract the two like fractions:
14/20 - 90/20 = 14 - 90/20 = -76/20 - After reducing the fraction, the answer is -19/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/20-18/4 14/20-36/4 14/40-18/4 14/20-18/8 42/20-18/4 14/20-54/4 14/60-18/4 14/20-18/12 70/20-18/4 14/20-90/4 14/20-18/20 98/20-18/4 14/20-18/28