Subtract 84/9 from 63/75
1st number: 63/75, 2nd number: 9 3/9
63/75 - 84/9 is -637/75.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 9 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 75 × 3 = 225,
63/75 = 63 × 3/75 × 3 = 189/225 - Likewise, for the 2nd fraction, since 9 × 25 = 225,
84/9 = 84 × 25/9 × 25 = 2100/225 - Subtract the two like fractions:
189/225 - 2100/225 = 189 - 2100/225 = -1911/225 - After reducing the fraction, the answer is -637/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/75-84/18 63/75-84/27 63/75-84/45 63/75-84/63