Subtract 30/60 from 42/14
1st number: 3 0/14, 2nd number: 30/60
42/14 - 30/60 is 5/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 14 × 30 = 420,
42/14 = 42 × 30/14 × 30 = 1260/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
30/60 = 30 × 7/60 × 7 = 210/420 - Subtract the two like fractions:
1260/420 - 210/420 = 1260 - 210/420 = 1050/420 - After reducing the fraction, the answer is 5/2
- In mixed form: 21/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/14-30/60 42/28-30/60 42/14-90/60 42/70-30/60 42/98-30/60