Subtract 6/90 from 7/32
7/32 - 6/90 is 73/480.
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,
7/32 = 7 × 45/32 × 45 = 315/1440 - Likewise, for the 2nd fraction, since 90 × 16 = 1440,
6/90 = 6 × 16/90 × 16 = 96/1440 - Subtract the two like fractions:
315/1440 - 96/1440 = 315 - 96/1440 = 219/1440 - After reducing the fraction, the answer is 73/480
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/32-6/90 7/32-12/90 7/64-6/90 21/32-6/90 7/32-18/90 7/96-6/90 35/32-6/90 7/32-30/90 49/32-6/90 7/32-42/90