Subtract 5/98 from 30/42
30/42 - 5/98 is 65/98.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 98 is 294
Next, find the equivalent fraction of both fractional numbers with denominator 294 - For the 1st fraction, since 42 × 7 = 294,
30/42 = 30 × 7/42 × 7 = 210/294 - Likewise, for the 2nd fraction, since 98 × 3 = 294,
5/98 = 5 × 3/98 × 3 = 15/294 - Subtract the two like fractions:
210/294 - 15/294 = 210 - 15/294 = 195/294 - After reducing the fraction, the answer is 65/98
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/42-5/98 30/42-10/98 30/84-5/98 90/42-5/98 30/42-15/98 30/42-25/98 30/42-35/98