Subtract 4/32 from 6/90
6/90 - 4/32 is -7/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 32 is 1440
Next, find the equivalent fraction of both fractional numbers with denominator 1440 - For the 1st fraction, since 90 × 16 = 1440,
6/90 = 6 × 16/90 × 16 = 96/1440 - Likewise, for the 2nd fraction, since 32 × 45 = 1440,
4/32 = 4 × 45/32 × 45 = 180/1440 - Subtract the two like fractions:
96/1440 - 180/1440 = 96 - 180/1440 = -84/1440 - After reducing the fraction, the answer is -7/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/90-4/32 6/90-8/32 6/90-4/64 18/90-4/32 6/90-12/32 6/90-4/96 30/90-4/32 6/90-20/32 42/90-4/32 6/90-28/32