Subtract 3/50 from 10/90
10/90 - 3/50 is 23/450.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 50 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 90 × 5 = 450,
10/90 = 10 × 5/90 × 5 = 50/450 - Likewise, for the 2nd fraction, since 50 × 9 = 450,
3/50 = 3 × 9/50 × 9 = 27/450 - Subtract the two like fractions:
50/450 - 27/450 = 50 - 27/450 = 23/450
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/90-3/50 10/90-6/50 30/90-3/50 10/90-9/50 50/90-3/50 10/90-15/50 70/90-3/50 10/90-21/50