Subtract 9/70 from 72/12
1st number: 6 0/12, 2nd number: 9/70
72/12 - 9/70 is 411/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 70 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 12 × 35 = 420,
72/12 = 72 × 35/12 × 35 = 2520/420 - Likewise, for the 2nd fraction, since 70 × 6 = 420,
9/70 = 9 × 6/70 × 6 = 54/420 - Subtract the two like fractions:
2520/420 - 54/420 = 2520 - 54/420 = 2466/420 - After reducing the fraction, the answer is 411/70
- In mixed form: 561/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/12-18/70 72/24-9/70 72/12-27/70 72/36-9/70 72/12-45/70 72/60-9/70 72/12-63/70 72/84-9/70