Subtract 7/14 from 10/30
10/30 - 7/14 is -1/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 14 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
10/30 = 10 × 7/30 × 7 = 70/210 - Likewise, for the 2nd fraction, since 14 × 15 = 210,
7/14 = 7 × 15/14 × 15 = 105/210 - Subtract the two like fractions:
70/210 - 105/210 = 70 - 105/210 = -35/210 - After reducing the fraction, the answer is -1/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/30-7/14 10/60-7/14 10/30-7/28 10/30-21/14 10/90-7/14 10/30-7/42 50/30-7/14 10/30-35/14 10/30-7/70 70/30-7/14 10/30-49/14 10/30-7/98