Subtract 2/90 from 8/32
8/32 - 2/90 is 41/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 90 is 1440
Next, find the equivalent fraction of both fractional numbers with denominator 1440 - For the 1st fraction, since 32 × 45 = 1440,
8/32 = 8 × 45/32 × 45 = 360/1440 - Likewise, for the 2nd fraction, since 90 × 16 = 1440,
2/90 = 2 × 16/90 × 16 = 32/1440 - Subtract the two like fractions:
360/1440 - 32/1440 = 360 - 32/1440 = 328/1440 - After reducing the fraction, the answer is 41/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/32-2/90 8/32-4/90 8/64-2/90 24/32-2/90 8/32-6/90 8/96-2/90 40/32-2/90 8/32-10/90 56/32-2/90 8/32-14/90