Subtract 36/45 from 25/50
25/50 - 36/45 is -3/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 45 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 50 × 9 = 450,
25/50 = 25 × 9/50 × 9 = 225/450 - Likewise, for the 2nd fraction, since 45 × 10 = 450,
36/45 = 36 × 10/45 × 10 = 360/450 - Subtract the two like fractions:
225/450 - 360/450 = 225 - 360/450 = -135/450 - After reducing the fraction, the answer is -3/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 25/50-72/45 25/50-36/90 75/50-36/45