Subtract 40/75 from 7/50
7/50 - 40/75 is -59/150.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 75 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 50 × 3 = 150,
7/50 = 7 × 3/50 × 3 = 21/150 - Likewise, for the 2nd fraction, since 75 × 2 = 150,
40/75 = 40 × 2/75 × 2 = 80/150 - Subtract the two like fractions:
21/150 - 80/150 = 21 - 80/150 = -59/150
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/50-40/75 7/50-80/75 21/50-40/75 35/50-40/75 49/50-40/75