Subtract 42/6 from 30/14
1st number: 2 2/14, 2nd number: 7 0/6
30/14 - 42/6 is -34/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 6 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 14 × 3 = 42,
30/14 = 30 × 3/14 × 3 = 90/42 - Likewise, for the 2nd fraction, since 6 × 7 = 42,
42/6 = 42 × 7/6 × 7 = 294/42 - Subtract the two like fractions:
90/42 - 294/42 = 90 - 294/42 = -204/42 - After reducing the fraction, the answer is -34/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/14-42/6 30/14-84/6 30/28-42/6 30/14-42/12 90/14-42/6 30/42-42/6 30/14-42/18 30/70-42/6 30/14-42/30 30/98-42/6