Subtract 24/4 from 63/21
1st number: 3 0/21, 2nd number: 6 0/4
63/21 - 24/4 is -3/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 4 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 21 × 4 = 84,
63/21 = 63 × 4/21 × 4 = 252/84 - Likewise, for the 2nd fraction, since 4 × 21 = 84,
24/4 = 24 × 21/4 × 21 = 504/84 - Subtract the two like fractions:
252/84 - 504/84 = 252 - 504/84 = -252/84 - After reducing the fraction, the answer is -3/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/21-48/4 63/42-24/4 63/21-24/8 63/21-72/4 63/21-24/12 63/21-24/20 63/21-24/28