Subtract 4/9 from 45/49
45/49 - 4/9 is 209/441.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 9 is 441
Next, find the equivalent fraction of both fractional numbers with denominator 441 - For the 1st fraction, since 49 × 9 = 441,
45/49 = 45 × 9/49 × 9 = 405/441 - Likewise, for the 2nd fraction, since 9 × 49 = 441,
4/9 = 4 × 49/9 × 49 = 196/441 - Subtract the two like fractions:
405/441 - 196/441 = 405 - 196/441 = 209/441
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/49-4/9 45/49-8/9 45/98-4/9 45/49-4/18 45/49-12/9 45/49-4/27 45/49-20/9 45/49-4/45 45/49-28/9 45/49-4/63