Subtract 90/75 from 63/3
1st number: 21 0/3, 2nd number: 1 15/75
63/3 - 90/75 is 99/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 75 is 75
Next, find the equivalent fraction of both fractional numbers with denominator 75 - For the 1st fraction, since 3 × 25 = 75,
63/3 = 63 × 25/3 × 25 = 1575/75 - Likewise, for the 2nd fraction, since 75 × 1 = 75,
90/75 = 90 × 1/75 × 1 = 90/75 - Subtract the two like fractions:
1575/75 - 90/75 = 1575 - 90/75 = 1485/75 - After reducing the fraction, the answer is 99/5
- In mixed form: 194/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/6-90/75 63/9-90/75 63/15-90/75 63/21-90/75