Subtract 84/7 from 14/30
1st number: 14/30, 2nd number: 12 0/7
14/30 - 84/7 is -173/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 7 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
14/30 = 14 × 7/30 × 7 = 98/210 - Likewise, for the 2nd fraction, since 7 × 30 = 210,
84/7 = 84 × 30/7 × 30 = 2520/210 - Subtract the two like fractions:
98/210 - 2520/210 = 98 - 2520/210 = -2422/210 - After reducing the fraction, the answer is -173/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/30-84/7 14/60-84/7 14/30-84/14 42/30-84/7 14/90-84/7 14/30-84/21 70/30-84/7 14/30-84/35 98/30-84/7 14/30-84/49