Subtract 6/75 from 90/42
1st number: 2 6/42, 2nd number: 6/75
90/42 - 6/75 is 361/175.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 75 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 42 × 25 = 1050,
90/42 = 90 × 25/42 × 25 = 2250/1050 - Likewise, for the 2nd fraction, since 75 × 14 = 1050,
6/75 = 6 × 14/75 × 14 = 84/1050 - Subtract the two like fractions:
2250/1050 - 84/1050 = 2250 - 84/1050 = 2166/1050 - After reducing the fraction, the answer is 361/175
- In mixed form: 211/175
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/42-12/75 90/84-6/75 90/42-18/75 90/42-30/75 90/42-42/75