Subtract 64/18 from 7/16
1st number: 7/16, 2nd number: 3 10/18
7/16 - 64/18 is -449/144.
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,
7/16 = 7 × 9/16 × 9 = 63/144 - Likewise, for the 2nd fraction, since 18 × 8 = 144,
64/18 = 64 × 8/18 × 8 = 512/144 - Subtract the two like fractions:
63/144 - 512/144 = 63 - 512/144 = -449/144
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/16-64/18 7/32-64/18 7/16-64/36 21/16-64/18 7/48-64/18 7/16-64/54 35/16-64/18 7/80-64/18 7/16-64/90 49/16-64/18