Subtract 96/21 from 24/45
1st number: 24/45, 2nd number: 4 12/21
24/45 - 96/21 is -424/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 21 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 45 × 7 = 315,
24/45 = 24 × 7/45 × 7 = 168/315 - Likewise, for the 2nd fraction, since 21 × 15 = 315,
96/21 = 96 × 15/21 × 15 = 1440/315 - Subtract the two like fractions:
168/315 - 1440/315 = 168 - 1440/315 = -1272/315 - After reducing the fraction, the answer is -424/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/45-96/21 24/90-96/21 24/45-96/42 72/45-96/21 24/45-96/63