Subtract 60/20 from 4/84
1st number: 4/84, 2nd number: 3 0/20
4/84 - 60/20 is -62/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 20 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
4/84 = 4 × 5/84 × 5 = 20/420 - Likewise, for the 2nd fraction, since 20 × 21 = 420,
60/20 = 60 × 21/20 × 21 = 1260/420 - Subtract the two like fractions:
20/420 - 1260/420 = 20 - 1260/420 = -1240/420 - After reducing the fraction, the answer is -62/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/84-60/20 4/84-60/40 12/84-60/20 20/84-60/20 28/84-60/20