Subtract 5/84 from 42/14
1st number: 3 0/14, 2nd number: 5/84
42/14 - 5/84 is 247/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 14 × 6 = 84,
42/14 = 42 × 6/14 × 6 = 252/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
5/84 = 5 × 1/84 × 1 = 5/84 - Subtract the two like fractions:
252/84 - 5/84 = 252 - 5/84 = 247/84 - In mixed form: 279/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/14-5/84 42/14-10/84 42/28-5/84 42/14-15/84 42/14-25/84 42/70-5/84 42/14-35/84 42/98-5/84