Subtract 54/50 from 18/75
1st number: 18/75, 2nd number: 1 4/50
18/75 - 54/50 is -21/25.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 50 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 75 × 2 = 150,
18/75 = 18 × 2/75 × 2 = 36/150 - Likewise, for the 2nd fraction, since 50 × 3 = 150,
54/50 = 54 × 3/50 × 3 = 162/150 - Subtract the two like fractions:
36/150 - 162/150 = 36 - 162/150 = -126/150 - After reducing the fraction, the answer is -21/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/75-54/50 54/75-54/50 90/75-54/50