Subtract 15/6 from 10/72
1st number: 10/72, 2nd number: 2 3/6
10/72 - 15/6 is -85/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 6 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
10/72 = 10 × 1/72 × 1 = 10/72 - Likewise, for the 2nd fraction, since 6 × 12 = 72,
15/6 = 15 × 12/6 × 12 = 180/72 - Subtract the two like fractions:
10/72 - 180/72 = 10 - 180/72 = -170/72 - After reducing the fraction, the answer is -85/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/72-15/6 10/72-30/6 10/72-15/12 30/72-15/6 10/72-45/6 10/72-15/18 50/72-15/6 10/72-75/6 10/72-15/30 70/72-15/6 10/72-15/42