Subtract 24/84 from 20/35
20/35 - 24/84 is 2/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 35 × 12 = 420,
20/35 = 20 × 12/35 × 12 = 240/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
24/84 = 24 × 5/84 × 5 = 120/420 - Subtract the two like fractions:
240/420 - 120/420 = 240 - 120/420 = 120/420 - After reducing the fraction, the answer is 2/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/35-24/84 20/35-48/84 20/70-24/84 60/35-24/84 20/35-72/84