Subtract 9/32 from 8/18
8/18 - 9/32 is 47/288.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 32 is 288
Next, find the equivalent fraction of both fractional numbers with denominator 288 - For the 1st fraction, since 18 × 16 = 288,
8/18 = 8 × 16/18 × 16 = 128/288 - Likewise, for the 2nd fraction, since 32 × 9 = 288,
9/32 = 9 × 9/32 × 9 = 81/288 - Subtract the two like fractions:
128/288 - 81/288 = 128 - 81/288 = 47/288
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/18-9/32 8/18-18/32 8/36-9/32 8/18-9/64 24/18-9/32 8/18-27/32 8/54-9/32 8/18-9/96 40/18-9/32 8/18-45/32 8/90-9/32 56/18-9/32 8/18-63/32