Subtract 4/9 from 8/16
8/16 - 4/9 is 1/18.
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,
8/16 = 8 × 9/16 × 9 = 72/144 - Likewise, for the 2nd fraction, since 9 × 16 = 144,
4/9 = 4 × 16/9 × 16 = 64/144 - Subtract the two like fractions:
72/144 - 64/144 = 72 - 64/144 = 8/144 - After reducing the fraction, the answer is 1/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/16-8/9 8/32-4/9 8/16-4/18 24/16-4/9 8/16-12/9 8/48-4/9 8/16-4/27 40/16-4/9 8/16-20/9 8/80-4/9 8/16-4/45 56/16-4/9 8/16-28/9 8/16-4/63