Subtract 12/7 from 70/12
1st number: 5 10/12, 2nd number: 1 5/7
70/12 - 12/7 is 173/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 7 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
70/12 = 70 × 7/12 × 7 = 490/84 - Likewise, for the 2nd fraction, since 7 × 12 = 84,
12/7 = 12 × 12/7 × 12 = 144/84 - Subtract the two like fractions:
490/84 - 144/84 = 490 - 144/84 = 346/84 - After reducing the fraction, the answer is 173/42
- In mixed form: 45/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/12-24/7 70/24-12/7 70/12-12/14 70/12-36/7 70/36-12/7 70/12-12/21 70/12-60/7 70/60-12/7 70/12-12/35 70/12-84/7 70/84-12/7 70/12-12/49