Subtract 6/18 from 20/49
20/49 - 6/18 is 11/147.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 18 is 882
Next, find the equivalent fraction of both fractional numbers with denominator 882 - For the 1st fraction, since 49 × 18 = 882,
20/49 = 20 × 18/49 × 18 = 360/882 - Likewise, for the 2nd fraction, since 18 × 49 = 882,
6/18 = 6 × 49/18 × 49 = 294/882 - Subtract the two like fractions:
360/882 - 294/882 = 360 - 294/882 = 66/882 - After reducing the fraction, the answer is 11/147
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/49-6/18 20/49-12/18 20/98-6/18 20/49-6/36 60/49-6/18 20/49-6/54 20/49-30/18 20/49-6/90 20/49-42/18