Subtract 70/5 from 40/12
1st number: 3 4/12, 2nd number: 14 0/5
40/12 - 70/5 is -32/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 5 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
40/12 = 40 × 5/12 × 5 = 200/60 - Likewise, for the 2nd fraction, since 5 × 12 = 60,
70/5 = 70 × 12/5 × 12 = 840/60 - Subtract the two like fractions:
200/60 - 840/60 = 200 - 840/60 = -640/60 - After reducing the fraction, the answer is -32/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/12-70/5 40/24-70/5 40/12-70/10 40/36-70/5 40/12-70/15 40/60-70/5 40/12-70/25 40/84-70/5 40/12-70/35