Subtract 2/16 from 8/18
8/18 - 2/16 is 23/72.
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,
8/18 = 8 × 8/18 × 8 = 64/144 - Likewise, for the 2nd fraction, since 16 × 9 = 144,
2/16 = 2 × 9/16 × 9 = 18/144 - Subtract the two like fractions:
64/144 - 18/144 = 64 - 18/144 = 46/144 - After reducing the fraction, the answer is 23/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/18-2/16 8/18-4/16 8/36-2/16 8/18-2/32 24/18-2/16 8/18-6/16 8/54-2/16 8/18-2/48 40/18-2/16 8/18-10/16 8/90-2/16 8/18-2/80 56/18-2/16 8/18-14/16