Subtract 10/98 from 63/42
1st number: 1 21/42, 2nd number: 10/98
63/42 - 10/98 is 137/98.
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,
63/42 = 63 × 7/42 × 7 = 441/294 - Likewise, for the 2nd fraction, since 98 × 3 = 294,
10/98 = 10 × 3/98 × 3 = 30/294 - Subtract the two like fractions:
441/294 - 30/294 = 441 - 30/294 = 411/294 - After reducing the fraction, the answer is 137/98
- In mixed form: 139/98
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/42-20/98 63/84-10/98 63/42-30/98 63/42-50/98 63/42-70/98