Subtract 96/18 from 5/21
1st number: 5/21, 2nd number: 5 6/18
5/21 - 96/18 is -107/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 21 × 6 = 126,
5/21 = 5 × 6/21 × 6 = 30/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
96/18 = 96 × 7/18 × 7 = 672/126 - Subtract the two like fractions:
30/126 - 672/126 = 30 - 672/126 = -642/126 - After reducing the fraction, the answer is -107/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/21-96/18 5/42-96/18 5/21-96/36 15/21-96/18 5/63-96/18 5/21-96/54 25/21-96/18 5/21-96/90 35/21-96/18