Subtract 16/63 from 4/84
4/84 - 16/63 is -13/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 84 × 3 = 252,
4/84 = 4 × 3/84 × 3 = 12/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
16/63 = 16 × 4/63 × 4 = 64/252 - Subtract the two like fractions:
12/252 - 64/252 = 12 - 64/252 = -52/252 - After reducing the fraction, the answer is -13/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/84-16/63 4/84-32/63 12/84-16/63 4/84-48/63 20/84-16/63 4/84-80/63 28/84-16/63