Subtract 12/49 from 20/18
1st number: 1 2/18, 2nd number: 12/49
20/18 - 12/49 is 382/441.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 49 is 882
Next, find the equivalent fraction of both fractional numbers with denominator 882 - For the 1st fraction, since 18 × 49 = 882,
20/18 = 20 × 49/18 × 49 = 980/882 - Likewise, for the 2nd fraction, since 49 × 18 = 882,
12/49 = 12 × 18/49 × 18 = 216/882 - Subtract the two like fractions:
980/882 - 216/882 = 980 - 216/882 = 764/882 - After reducing the fraction, the answer is 382/441
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/18-12/49 20/18-24/49 20/36-12/49 20/18-12/98 60/18-12/49 20/18-36/49 20/54-12/49 20/18-60/49 20/90-12/49 20/18-84/49