Subtract 5/45 from 50/80
50/80 - 5/45 is 37/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 45 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
50/80 = 50 × 9/80 × 9 = 450/720 - Likewise, for the 2nd fraction, since 45 × 16 = 720,
5/45 = 5 × 16/45 × 16 = 80/720 - Subtract the two like fractions:
450/720 - 80/720 = 450 - 80/720 = 370/720 - After reducing the fraction, the answer is 37/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/80-10/45 50/80-5/90 50/80-15/45 50/80-25/45 50/80-35/45