Subtract 18/56 from 3/75
3/75 - 18/56 is -197/700.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 56 is 4200
Next, find the equivalent fraction of both fractional numbers with denominator 4200 - For the 1st fraction, since 75 × 56 = 4200,
3/75 = 3 × 56/75 × 56 = 168/4200 - Likewise, for the 2nd fraction, since 56 × 75 = 4200,
18/56 = 18 × 75/56 × 75 = 1350/4200 - Subtract the two like fractions:
168/4200 - 1350/4200 = 168 - 1350/4200 = -1182/4200 - After reducing the fraction, the answer is -197/700
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/75-18/56 3/75-36/56 9/75-18/56 3/75-54/56 15/75-18/56 3/75-90/56 21/75-18/56