Subtract 20/36 from 30/98
30/98 - 20/36 is -110/441.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 36 is 1764
Next, find the equivalent fraction of both fractional numbers with denominator 1764 - For the 1st fraction, since 98 × 18 = 1764,
30/98 = 30 × 18/98 × 18 = 540/1764 - Likewise, for the 2nd fraction, since 36 × 49 = 1764,
20/36 = 20 × 49/36 × 49 = 980/1764 - Subtract the two like fractions:
540/1764 - 980/1764 = 540 - 980/1764 = -440/1764 - After reducing the fraction, the answer is -110/441
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/98-20/36 30/98-40/36 30/98-20/72 90/98-20/36 30/98-60/36