Subtract 24/6 from 81/84
1st number: 81/84, 2nd number: 4 0/6
81/84 - 24/6 is -85/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 6 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
81/84 = 81 × 1/84 × 1 = 81/84 - Likewise, for the 2nd fraction, since 6 × 14 = 84,
24/6 = 24 × 14/6 × 14 = 336/84 - Subtract the two like fractions:
81/84 - 336/84 = 81 - 336/84 = -255/84 - After reducing the fraction, the answer is -85/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/84-48/6 81/84-24/12 81/84-72/6 81/84-24/18 81/84-24/30 81/84-24/42