Subtract 5/49 from 9/42
9/42 - 5/49 is 11/98.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 49 is 294
Next, find the equivalent fraction of both fractional numbers with denominator 294 - For the 1st fraction, since 42 × 7 = 294,
9/42 = 9 × 7/42 × 7 = 63/294 - Likewise, for the 2nd fraction, since 49 × 6 = 294,
5/49 = 5 × 6/49 × 6 = 30/294 - Subtract the two like fractions:
63/294 - 30/294 = 63 - 30/294 = 33/294 - After reducing the fraction, the answer is 11/98
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/42-5/49 9/42-10/49 9/84-5/49 9/42-5/98 27/42-5/49 9/42-15/49 45/42-5/49 9/42-25/49 63/42-5/49 9/42-35/49