Subtract 5/14 from 20/30
20/30 - 5/14 is 13/42.
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,
20/30 = 20 × 7/30 × 7 = 140/210 - Likewise, for the 2nd fraction, since 14 × 15 = 210,
5/14 = 5 × 15/14 × 15 = 75/210 - Subtract the two like fractions:
140/210 - 75/210 = 140 - 75/210 = 65/210 - After reducing the fraction, the answer is 13/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/30-5/14 20/30-10/14 20/60-5/14 20/30-5/28 60/30-5/14 20/30-15/14 20/90-5/14 20/30-5/42 20/30-25/14 20/30-5/70 20/30-35/14 20/30-5/98