Subtract 21/60 from 42/3
1st number: 14 0/3, 2nd number: 21/60
42/3 - 21/60 is 273/20.
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,
42/3 = 42 × 20/3 × 20 = 840/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
21/60 = 21 × 1/60 × 1 = 21/60 - Subtract the two like fractions:
840/60 - 21/60 = 840 - 21/60 = 819/60 - After reducing the fraction, the answer is 273/20
- In mixed form: 1313/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/3-21/60 42/3-42/60 42/6-21/60 42/3-63/60 42/9-21/60 42/15-21/60 42/21-21/60