Subtract 14/20 from 18/16
1st number: 1 2/16, 2nd number: 14/20
18/16 - 14/20 is 17/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 20 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 16 × 5 = 80,
18/16 = 18 × 5/16 × 5 = 90/80 - Likewise, for the 2nd fraction, since 20 × 4 = 80,
14/20 = 14 × 4/20 × 4 = 56/80 - Subtract the two like fractions:
90/80 - 56/80 = 90 - 56/80 = 34/80 - After reducing the fraction, the answer is 17/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/16-14/20 18/16-28/20 18/32-14/20 18/16-14/40 54/16-14/20 18/16-42/20 18/48-14/20 18/16-14/60 90/16-14/20 18/16-70/20 18/80-14/20 18/16-98/20