Subtract 6/72 from 12/4
1st number: 3 0/4, 2nd number: 6/72
12/4 - 6/72 is 35/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 4 × 18 = 72,
12/4 = 12 × 18/4 × 18 = 216/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
6/72 = 6 × 1/72 × 1 = 6/72 - Subtract the two like fractions:
216/72 - 6/72 = 216 - 6/72 = 210/72 - After reducing the fraction, the answer is 35/12
- In mixed form: 211/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/4-6/72 12/4-12/72 12/8-6/72 36/4-6/72 12/4-18/72 60/4-6/72 12/4-30/72 12/20-6/72 84/4-6/72 12/4-42/72 12/28-6/72