Subtract 84/9 from 75/84
1st number: 75/84, 2nd number: 9 3/9
75/84 - 84/9 is -709/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 9 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 84 × 3 = 252,
75/84 = 75 × 3/84 × 3 = 225/252 - Likewise, for the 2nd fraction, since 9 × 28 = 252,
84/9 = 84 × 28/9 × 28 = 2352/252 - Subtract the two like fractions:
225/252 - 2352/252 = 225 - 2352/252 = -2127/252 - After reducing the fraction, the answer is -709/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/84-84/18 75/84-84/27 75/84-84/45 75/84-84/63