Subtract 49/30 from 20/14
1st number: 1 6/14, 2nd number: 1 19/30
20/14 - 49/30 is -43/210.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 14 × 15 = 210,
20/14 = 20 × 15/14 × 15 = 300/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
49/30 = 49 × 7/30 × 7 = 343/210 - Subtract the two like fractions:
300/210 - 343/210 = 300 - 343/210 = -43/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/14-49/30 20/14-98/30 20/28-49/30 20/14-49/60 60/14-49/30 20/42-49/30 20/14-49/90 20/70-49/30 20/98-49/30