Subtract 63/18 from 28/49
1st number: 28/49, 2nd number: 3 9/18
28/49 - 63/18 is -41/14.
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,
28/49 = 28 × 18/49 × 18 = 504/882 - Likewise, for the 2nd fraction, since 18 × 49 = 882,
63/18 = 63 × 49/18 × 49 = 3087/882 - Subtract the two like fractions:
504/882 - 3087/882 = 504 - 3087/882 = -2583/882 - After reducing the fraction, the answer is -41/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/49-63/18 28/98-63/18 28/49-63/36 84/49-63/18 28/49-63/54 28/49-63/90