Subtract 24/63 from 6/84
6/84 - 24/63 is -13/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 84 × 3 = 252,
6/84 = 6 × 3/84 × 3 = 18/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
24/63 = 24 × 4/63 × 4 = 96/252 - Subtract the two like fractions:
18/252 - 96/252 = 18 - 96/252 = -78/252 - After reducing the fraction, the answer is -13/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/84-24/63 6/84-48/63 18/84-24/63 6/84-72/63 30/84-24/63 42/84-24/63