Subtract 2/18 from 20/49
20/49 - 2/18 is 131/441.
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,
2/18 = 2 × 49/18 × 49 = 98/882 - Subtract the two like fractions:
360/882 - 98/882 = 360 - 98/882 = 262/882 - After reducing the fraction, the answer is 131/441
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/49-2/18 20/49-4/18 20/98-2/18 20/49-2/36 60/49-2/18 20/49-6/18 20/49-2/54 20/49-10/18 20/49-2/90 20/49-14/18