Subtract 35/84 from 12/20
12/20 - 35/84 is 11/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 20 × 21 = 420,
12/20 = 12 × 21/20 × 21 = 252/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
35/84 = 35 × 5/84 × 5 = 175/420 - Subtract the two like fractions:
252/420 - 175/420 = 252 - 175/420 = 77/420 - After reducing the fraction, the answer is 11/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/20-35/84 12/20-70/84 12/40-35/84 36/20-35/84 12/60-35/84 60/20-35/84 84/20-35/84