Subtract 7/16 from 5/18
5/18 - 7/16 is -23/144.
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,
5/18 = 5 × 8/18 × 8 = 40/144 - Likewise, for the 2nd fraction, since 16 × 9 = 144,
7/16 = 7 × 9/16 × 9 = 63/144 - Subtract the two like fractions:
40/144 - 63/144 = 40 - 63/144 = -23/144
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/18-7/16 5/18-14/16 5/36-7/16 5/18-7/32 15/18-7/16 5/18-21/16 5/54-7/16 5/18-7/48 25/18-7/16 5/18-35/16 5/90-7/16 5/18-7/80 35/18-7/16 5/18-49/16