Subtract 30/98 from 5/42
5/42 - 30/98 is -55/294.
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,
5/42 = 5 × 7/42 × 7 = 35/294 - Likewise, for the 2nd fraction, since 98 × 3 = 294,
30/98 = 30 × 3/98 × 3 = 90/294 - Subtract the two like fractions:
35/294 - 90/294 = 35 - 90/294 = -55/294
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/42-30/98 5/42-60/98 5/84-30/98 15/42-30/98 5/42-90/98 25/42-30/98 35/42-30/98