Subtract 16/84 from 5/63
5/63 - 16/84 is -1/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 84 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 63 × 4 = 252,
5/63 = 5 × 4/63 × 4 = 20/252 - Likewise, for the 2nd fraction, since 84 × 3 = 252,
16/84 = 16 × 3/84 × 3 = 48/252 - Subtract the two like fractions:
20/252 - 48/252 = 20 - 48/252 = -28/252 - After reducing the fraction, the answer is -1/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/63-16/84 5/63-32/84 15/63-16/84 5/63-48/84 25/63-16/84 5/63-80/84 35/63-16/84