Subtract 4/18 from 30/49
30/49 - 4/18 is 172/441.
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,
30/49 = 30 × 18/49 × 18 = 540/882 - Likewise, for the 2nd fraction, since 18 × 49 = 882,
4/18 = 4 × 49/18 × 49 = 196/882 - Subtract the two like fractions:
540/882 - 196/882 = 540 - 196/882 = 344/882 - After reducing the fraction, the answer is 172/441
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/49-4/18 30/49-8/18 30/98-4/18 30/49-4/36 90/49-4/18 30/49-12/18 30/49-4/54 30/49-20/18 30/49-4/90 30/49-28/18