Subtract 30/14 from 12/3
1st number: 4 0/3, 2nd number: 2 2/14
12/3 - 30/14 is 13/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 14 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 3 × 14 = 42,
12/3 = 12 × 14/3 × 14 = 168/42 - Likewise, for the 2nd fraction, since 14 × 3 = 42,
30/14 = 30 × 3/14 × 3 = 90/42 - Subtract the two like fractions:
168/42 - 90/42 = 168 - 90/42 = 78/42 - After reducing the fraction, the answer is 13/7
- In mixed form: 16/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/3-30/14 12/3-60/14 12/6-30/14 12/3-30/28 36/3-30/14 12/3-90/14 12/9-30/14 12/3-30/42 60/3-30/14 12/15-30/14 12/3-30/70 84/3-30/14 12/21-30/14 12/3-30/98