Subtract 42/14 from 24/12
1st number: 2 0/12, 2nd number: 3 0/14
24/12 - 42/14 is -1/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 14 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
24/12 = 24 × 7/12 × 7 = 168/84 - Likewise, for the 2nd fraction, since 14 × 6 = 84,
42/14 = 42 × 6/14 × 6 = 252/84 - Subtract the two like fractions:
168/84 - 252/84 = 168 - 252/84 = -84/84 - After reducing the fraction, the answer is -1/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/12-42/14 24/12-84/14 24/12-42/28 72/12-42/14 24/36-42/14 24/60-42/14 24/12-42/70 24/84-42/14 24/12-42/98