Subtract 18/56 from 1/75
1/75 - 18/56 is -647/2100.
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,
1/75 = 1 × 56/75 × 56 = 56/4200 - Likewise, for the 2nd fraction, since 56 × 75 = 4200,
18/56 = 18 × 75/56 × 75 = 1350/4200 - Subtract the two like fractions:
56/4200 - 1350/4200 = 56 - 1350/4200 = -1294/4200 - After reducing the fraction, the answer is -647/2100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/75-18/56 1/75-36/56 3/75-18/56 1/75-54/56 5/75-18/56 1/75-90/56 7/75-18/56