Subtract 7/16 from 1/18
1/18 - 7/16 is -55/144.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 16 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 18 × 8 = 144,
1/18 = 1 × 8/18 × 8 = 8/144 - Likewise, for the 2nd fraction, since 16 × 9 = 144,
7/16 = 7 × 9/16 × 9 = 63/144 - Subtract the two like fractions:
8/144 - 63/144 = 8 - 63/144 = -55/144
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/18-7/16 1/18-14/16 1/36-7/16 1/18-7/32 3/18-7/16 1/18-21/16 1/54-7/16 1/18-7/48 5/18-7/16 1/18-35/16 1/90-7/16 1/18-7/80 7/18-7/16 1/18-49/16