Subtract 3/45 from 25/90
25/90 - 3/45 is 19/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
25/90 = 25 × 1/90 × 1 = 25/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
3/45 = 3 × 2/45 × 2 = 6/90 - Subtract the two like fractions:
25/90 - 6/90 = 25 - 6/90 = 19/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/90-3/45 25/90-6/45 25/90-3/90 75/90-3/45 25/90-9/45 25/90-15/45 25/90-21/45