Subtract 60/84 from 60/40
1st number: 1 20/40, 2nd number: 60/84
60/40 - 60/84 is 11/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 84 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 40 × 21 = 840,
60/40 = 60 × 21/40 × 21 = 1260/840 - Likewise, for the 2nd fraction, since 84 × 10 = 840,
60/84 = 60 × 10/84 × 10 = 600/840 - Subtract the two like fractions:
1260/840 - 600/840 = 1260 - 600/840 = 660/840 - After reducing the fraction, the answer is 11/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/80-60/84