Subtract 2/63 from 28/84
28/84 - 2/63 is 19/63.
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,
28/84 = 28 × 3/84 × 3 = 84/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
2/63 = 2 × 4/63 × 4 = 8/252 - Subtract the two like fractions:
84/252 - 8/252 = 84 - 8/252 = 76/252 - After reducing the fraction, the answer is 19/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/84-2/63 28/84-4/63 28/84-6/63 28/84-10/63 28/84-14/63