Subtract 2/18 from 1/16
1/16 - 2/18 is -7/144.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 18 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 16 × 9 = 144,
1/16 = 1 × 9/16 × 9 = 9/144 - Likewise, for the 2nd fraction, since 18 × 8 = 144,
2/18 = 2 × 8/18 × 8 = 16/144 - Subtract the two like fractions:
9/144 - 16/144 = 9 - 16/144 = -7/144
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/16-2/18 1/16-4/18 1/32-2/18 1/16-2/36 3/16-2/18 1/16-6/18 1/48-2/18 1/16-2/54 5/16-2/18 1/16-10/18 1/80-2/18 1/16-2/90 7/16-2/18 1/16-14/18