Subtract 24/50 from 36/90
36/90 - 24/50 is -2/25.
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,
36/90 = 36 × 5/90 × 5 = 180/450 - Likewise, for the 2nd fraction, since 50 × 9 = 450,
24/50 = 24 × 9/50 × 9 = 216/450 - Subtract the two like fractions:
180/450 - 216/450 = 180 - 216/450 = -36/450 - After reducing the fraction, the answer is -2/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/90-24/50 36/90-48/50 36/90-72/50