Subtract 3/42 from 96/21
1st number: 4 12/21, 2nd number: 3/42
96/21 - 3/42 is 9/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 21 × 2 = 42,
96/21 = 96 × 2/21 × 2 = 192/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
3/42 = 3 × 1/42 × 1 = 3/42 - Subtract the two like fractions:
192/42 - 3/42 = 192 - 3/42 = 189/42 - After reducing the fraction, the answer is 9/2
- In mixed form: 41/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/21-6/42 96/42-3/42 96/21-3/84 96/21-9/42 96/63-3/42 96/21-15/42 96/21-21/42