Subtract 96/9 from 5/21
1st number: 5/21, 2nd number: 10 6/9
5/21 - 96/9 is -73/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 9 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 21 × 3 = 63,
5/21 = 5 × 3/21 × 3 = 15/63 - Likewise, for the 2nd fraction, since 9 × 7 = 63,
96/9 = 96 × 7/9 × 7 = 672/63 - Subtract the two like fractions:
15/63 - 672/63 = 15 - 672/63 = -657/63 - After reducing the fraction, the answer is -73/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/21-96/9 5/42-96/9 5/21-96/18 15/21-96/9 5/63-96/9 5/21-96/27 25/21-96/9 5/21-96/45 35/21-96/9 5/21-96/63