Subtract 20/72 from 50/8
1st number: 6 2/8, 2nd number: 20/72
50/8 - 20/72 is 215/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
50/8 = 50 × 9/8 × 9 = 450/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
20/72 = 20 × 1/72 × 1 = 20/72 - Subtract the two like fractions:
450/72 - 20/72 = 450 - 20/72 = 430/72 - After reducing the fraction, the answer is 215/36
- In mixed form: 535/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/8-40/72 50/16-20/72 50/8-60/72 50/24-20/72 50/40-20/72 50/56-20/72