Subtract 50/8 from 30/72
1st number: 30/72, 2nd number: 6 2/8
30/72 - 50/8 is -35/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
30/72 = 30 × 1/72 × 1 = 30/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
50/8 = 50 × 9/8 × 9 = 450/72 - Subtract the two like fractions:
30/72 - 450/72 = 30 - 450/72 = -420/72 - After reducing the fraction, the answer is -35/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/72-50/8 30/72-50/16 90/72-50/8 30/72-50/24 30/72-50/40 30/72-50/56