Subtract 54/9 from 18/16
1st number: 1 2/16, 2nd number: 6 0/9
18/16 - 54/9 is -39/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 9 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 16 × 9 = 144,
18/16 = 18 × 9/16 × 9 = 162/144 - Likewise, for the 2nd fraction, since 9 × 16 = 144,
54/9 = 54 × 16/9 × 16 = 864/144 - Subtract the two like fractions:
162/144 - 864/144 = 162 - 864/144 = -702/144 - After reducing the fraction, the answer is -39/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/16-54/9 18/32-54/9 18/16-54/18 54/16-54/9 18/48-54/9 18/16-54/27 90/16-54/9 18/80-54/9 18/16-54/45 18/16-54/63