Subtract 28/63 from 4/49
4/49 - 28/63 is -160/441.
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,
4/49 = 4 × 9/49 × 9 = 36/441 - Likewise, for the 2nd fraction, since 63 × 7 = 441,
28/63 = 28 × 7/63 × 7 = 196/441 - Subtract the two like fractions:
36/441 - 196/441 = 36 - 196/441 = -160/441
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/49-28/63 4/49-56/63 4/98-28/63 12/49-28/63 4/49-84/63 20/49-28/63 28/49-28/63