Subtract 6/14 from 21/30
21/30 - 6/14 is 19/70.
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,
21/30 = 21 × 7/30 × 7 = 147/210 - Likewise, for the 2nd fraction, since 14 × 15 = 210,
6/14 = 6 × 15/14 × 15 = 90/210 - Subtract the two like fractions:
147/210 - 90/210 = 147 - 90/210 = 57/210 - After reducing the fraction, the answer is 19/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/30-6/14 21/30-12/14 21/60-6/14 21/30-6/28 63/30-6/14 21/30-18/14 21/90-6/14 21/30-6/42 21/30-30/14 21/30-6/70 21/30-42/14 21/30-6/98