Subtract 50/60 from 21/3
1st number: 7 0/3, 2nd number: 50/60
21/3 - 50/60 is 37/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 3 × 20 = 60,
21/3 = 21 × 20/3 × 20 = 420/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
50/60 = 50 × 1/60 × 1 = 50/60 - Subtract the two like fractions:
420/60 - 50/60 = 420 - 50/60 = 370/60 - After reducing the fraction, the answer is 37/6
- In mixed form: 61/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/3-50/60 21/6-50/60 63/3-50/60 21/9-50/60 21/15-50/60