Subtract 24/50 from 9/40
9/40 - 24/50 is -51/200.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 50 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 40 × 5 = 200,
9/40 = 9 × 5/40 × 5 = 45/200 - Likewise, for the 2nd fraction, since 50 × 4 = 200,
24/50 = 24 × 4/50 × 4 = 96/200 - Subtract the two like fractions:
45/200 - 96/200 = 45 - 96/200 = -51/200
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/40-24/50 9/40-48/50 9/80-24/50 27/40-24/50 9/40-72/50 45/40-24/50 63/40-24/50