Subtract 12/42 from 6/4
1st number: 1 2/4, 2nd number: 12/42
6/4 - 12/42 is 17/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 4 × 21 = 84,
6/4 = 6 × 21/4 × 21 = 126/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
12/42 = 12 × 2/42 × 2 = 24/84 - Subtract the two like fractions:
126/84 - 24/84 = 126 - 24/84 = 102/84 - After reducing the fraction, the answer is 17/14
- In mixed form: 13/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/4-12/42 6/4-24/42 6/8-12/42 6/4-12/84 18/4-12/42 6/4-36/42 6/12-12/42 30/4-12/42 6/4-60/42 6/20-12/42 42/4-12/42 6/4-84/42 6/28-12/42