Subtract 50/12 from 50/72
1st number: 50/72, 2nd number: 4 2/12
50/72 - 50/12 is -125/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 12 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
50/72 = 50 × 1/72 × 1 = 50/72 - Likewise, for the 2nd fraction, since 12 × 6 = 72,
50/12 = 50 × 6/12 × 6 = 300/72 - Subtract the two like fractions:
50/72 - 300/72 = 50 - 300/72 = -250/72 - After reducing the fraction, the answer is -125/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/72-50/24 50/72-50/36 50/72-50/60 50/72-50/84