Subtract 12/21 from 5/60
5/60 - 12/21 is -41/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 21 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
5/60 = 5 × 7/60 × 7 = 35/420 - Likewise, for the 2nd fraction, since 21 × 20 = 420,
12/21 = 12 × 20/21 × 20 = 240/420 - Subtract the two like fractions:
35/420 - 240/420 = 35 - 240/420 = -205/420 - After reducing the fraction, the answer is -41/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/60-12/21 5/60-24/21 5/60-12/42 15/60-12/21 5/60-36/21 5/60-12/63 25/60-12/21 5/60-60/21 35/60-12/21 5/60-84/21