Subtract 8/21 from 60/3
1st number: 20 0/3, 2nd number: 8/21
60/3 - 8/21 is 412/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 21 is 21
Next, find the equivalent fraction of both fractional numbers with denominator 21 - For the 1st fraction, since 3 × 7 = 21,
60/3 = 60 × 7/3 × 7 = 420/21 - Likewise, for the 2nd fraction, since 21 × 1 = 21,
8/21 = 8 × 1/21 × 1 = 8/21 - Subtract the two like fractions:
420/21 - 8/21 = 420 - 8/21 = 412/21 - In mixed form: 1913/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/3-16/21 60/6-8/21 60/3-8/42 60/3-24/21 60/9-8/21 60/3-8/63 60/3-40/21 60/15-8/21 60/3-56/21 60/21-8/21