Subtract 90/63 from 9/75
1st number: 9/75, 2nd number: 1 27/63
9/75 - 90/63 is -229/175.
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,
9/75 = 9 × 21/75 × 21 = 189/1575 - Likewise, for the 2nd fraction, since 63 × 25 = 1575,
90/63 = 90 × 25/63 × 25 = 2250/1575 - Subtract the two like fractions:
189/1575 - 2250/1575 = 189 - 2250/1575 = -2061/1575 - After reducing the fraction, the answer is -229/175
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/75-90/63 27/75-90/63 45/75-90/63 63/75-90/63