Subtract 7/18 from 63/75
63/75 - 7/18 is 203/450.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 18 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 75 × 6 = 450,
63/75 = 63 × 6/75 × 6 = 378/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
7/18 = 7 × 25/18 × 25 = 175/450 - Subtract the two like fractions:
378/450 - 175/450 = 378 - 175/450 = 203/450
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/75-14/18 63/75-7/36 63/75-21/18 63/75-7/54 63/75-35/18 63/75-7/90 63/75-49/18