Subtract 45/80 from 50/49
1st number: 1 1/49, 2nd number: 45/80
50/49 - 45/80 is 359/784.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 80 is 3920
Next, find the equivalent fraction of both fractional numbers with denominator 3920 - For the 1st fraction, since 49 × 80 = 3920,
50/49 = 50 × 80/49 × 80 = 4000/3920 - Likewise, for the 2nd fraction, since 80 × 49 = 3920,
45/80 = 45 × 49/80 × 49 = 2205/3920 - Subtract the two like fractions:
4000/3920 - 2205/3920 = 4000 - 2205/3920 = 1795/3920 - After reducing the fraction, the answer is 359/784
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/49-90/80 50/98-45/80