Subtract 1/75 from 1/84
1/84 - 1/75 is -1/700.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 75 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 84 × 25 = 2100,
1/84 = 1 × 25/84 × 25 = 25/2100 - Likewise, for the 2nd fraction, since 75 × 28 = 2100,
1/75 = 1 × 28/75 × 28 = 28/2100 - Subtract the two like fractions:
25/2100 - 28/2100 = 25 - 28/2100 = -3/2100 - After reducing the fraction, the answer is -1/700
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/84-1/75 1/84-2/75 3/84-1/75 1/84-3/75 5/84-1/75 1/84-5/75 7/84-1/75 1/84-7/75