Subtract 6/25 from 5/90
5/90 - 6/25 is -83/450.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 25 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 90 × 5 = 450,
5/90 = 5 × 5/90 × 5 = 25/450 - Likewise, for the 2nd fraction, since 25 × 18 = 450,
6/25 = 6 × 18/25 × 18 = 108/450 - Subtract the two like fractions:
25/450 - 108/450 = 25 - 108/450 = -83/450
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/90-6/25 5/90-12/25 5/90-6/50 15/90-6/25 5/90-18/25 5/90-6/75 25/90-6/25 5/90-30/25 35/90-6/25 5/90-42/25