Subtract 9/16 from 8/9
8/9 - 9/16 is 47/144.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 16 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 9 × 16 = 144,
8/9 = 8 × 16/9 × 16 = 128/144 - Likewise, for the 2nd fraction, since 16 × 9 = 144,
9/16 = 9 × 9/16 × 9 = 81/144 - Subtract the two like fractions:
128/144 - 81/144 = 128 - 81/144 = 47/144
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/9-9/16 8/9-18/16 8/18-9/16 8/9-9/32 24/9-9/16 8/9-27/16 8/27-9/16 8/9-9/48 40/9-9/16 8/9-45/16 8/45-9/16 8/9-9/80 56/9-9/16 8/9-63/16 8/63-9/16