Subtract 63/49 from 16/84
1st number: 16/84, 2nd number: 1 14/49
16/84 - 63/49 is -23/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 49 is 588
Next, find the equivalent fraction of both fractional numbers with denominator 588 - For the 1st fraction, since 84 × 7 = 588,
16/84 = 16 × 7/84 × 7 = 112/588 - Likewise, for the 2nd fraction, since 49 × 12 = 588,
63/49 = 63 × 12/49 × 12 = 756/588 - Subtract the two like fractions:
112/588 - 756/588 = 112 - 756/588 = -644/588 - After reducing the fraction, the answer is -23/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/84-63/49 16/84-63/98 48/84-63/49 80/84-63/49