Subtract 35/49 from 9/42
9/42 - 35/49 is -1/2.
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,
35/49 = 35 × 6/49 × 6 = 210/294 - Subtract the two like fractions:
63/294 - 210/294 = 63 - 210/294 = -147/294 - After reducing the fraction, the answer is -1/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/42-35/49 9/42-70/49 9/84-35/49 9/42-35/98 27/42-35/49 45/42-35/49 63/42-35/49