Subtract 6/3 from 42/28
1st number: 1 14/28, 2nd number: 2 0/3
42/28 - 6/3 is -1/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 3 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 28 × 3 = 84,
42/28 = 42 × 3/28 × 3 = 126/84 - Likewise, for the 2nd fraction, since 3 × 28 = 84,
6/3 = 6 × 28/3 × 28 = 168/84 - Subtract the two like fractions:
126/84 - 168/84 = 126 - 168/84 = -42/84 - After reducing the fraction, the answer is -1/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/28-6/3 42/28-12/3 42/56-6/3 42/28-18/3 42/84-6/3 42/28-6/9 42/28-30/3 42/28-6/15 42/28-42/3 42/28-6/21