Subtract 10/4 from 72/12
1st number: 6 0/12, 2nd number: 2 2/4
72/12 - 10/4 is 7/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 4 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 12 × 1 = 12,
72/12 = 72 × 1/12 × 1 = 72/12 - Likewise, for the 2nd fraction, since 4 × 3 = 12,
10/4 = 10 × 3/4 × 3 = 30/12 - Subtract the two like fractions:
72/12 - 30/12 = 72 - 30/12 = 42/12 - After reducing the fraction, the answer is 7/2
- In mixed form: 31/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/12-20/4 72/24-10/4 72/12-10/8 72/12-30/4 72/36-10/4 72/12-10/12 72/12-50/4 72/60-10/4 72/12-10/20 72/12-70/4 72/84-10/4 72/12-10/28