Subtract 1/63 from 7/75
7/75 - 1/63 is 122/1575.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 63 is 1575
Next, find the equivalent fraction of both fractional numbers with denominator 1575 - For the 1st fraction, since 75 × 21 = 1575,
7/75 = 7 × 21/75 × 21 = 147/1575 - Likewise, for the 2nd fraction, since 63 × 25 = 1575,
1/63 = 1 × 25/63 × 25 = 25/1575 - Subtract the two like fractions:
147/1575 - 25/1575 = 147 - 25/1575 = 122/1575
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/75-1/63 7/75-2/63 21/75-1/63 7/75-3/63 35/75-1/63 7/75-5/63 49/75-1/63 7/75-7/63