Subtract 24/84 from 8/30
8/30 - 24/84 is -2/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 30 × 14 = 420,
8/30 = 8 × 14/30 × 14 = 112/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
24/84 = 24 × 5/84 × 5 = 120/420 - Subtract the two like fractions:
112/420 - 120/420 = 112 - 120/420 = -8/420 - After reducing the fraction, the answer is -2/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/30-24/84 8/30-48/84 8/60-24/84 24/30-24/84 8/30-72/84 8/90-24/84 40/30-24/84 56/30-24/84