Subtract 72/6 from 70/4
1st number: 17 2/4, 2nd number: 12 0/6
70/4 - 72/6 is 11/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 6 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 4 × 3 = 12,
70/4 = 70 × 3/4 × 3 = 210/12 - Likewise, for the 2nd fraction, since 6 × 2 = 12,
72/6 = 72 × 2/6 × 2 = 144/12 - Subtract the two like fractions:
210/12 - 144/12 = 210 - 144/12 = 66/12 - After reducing the fraction, the answer is 11/2
- In mixed form: 51/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/8-72/6 70/4-72/12 70/12-72/6 70/4-72/18 70/20-72/6 70/4-72/30 70/28-72/6 70/4-72/42