Subtract 90/84 from 1/75
1st number: 1/75, 2nd number: 1 6/84
1/75 - 90/84 is -1111/1050.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 84 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 75 × 28 = 2100,
1/75 = 1 × 28/75 × 28 = 28/2100 - Likewise, for the 2nd fraction, since 84 × 25 = 2100,
90/84 = 90 × 25/84 × 25 = 2250/2100 - Subtract the two like fractions:
28/2100 - 2250/2100 = 28 - 2250/2100 = -2222/2100 - After reducing the fraction, the answer is -1111/1050
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/75-90/84 3/75-90/84 5/75-90/84 7/75-90/84