Subtract 4/63 from 28/49
28/49 - 4/63 is 32/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 63 is 441
Next, find the equivalent fraction of both fractional numbers with denominator 441 - For the 1st fraction, since 49 × 9 = 441,
28/49 = 28 × 9/49 × 9 = 252/441 - Likewise, for the 2nd fraction, since 63 × 7 = 441,
4/63 = 4 × 7/63 × 7 = 28/441 - Subtract the two like fractions:
252/441 - 28/441 = 252 - 28/441 = 224/441 - After reducing the fraction, the answer is 32/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/49-4/63 28/49-8/63 28/98-4/63 84/49-4/63 28/49-12/63 28/49-20/63 28/49-28/63