Subtract 24/84 from 20/70
20/70 - 24/84 is 0/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 70 × 6 = 420,
20/70 = 20 × 6/70 × 6 = 120/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
24/84 = 24 × 5/84 × 5 = 120/420 - Subtract the two like fractions:
120/420 - 120/420 = 120 - 120/420 = 0/420 - The answer is 0
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/70-24/84 20/70-48/84 60/70-24/84 20/70-72/84