Subtract 45/20 from 70/12
1st number: 5 10/12, 2nd number: 2 5/20
70/12 - 45/20 is 43/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
70/12 = 70 × 5/12 × 5 = 350/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
45/20 = 45 × 3/20 × 3 = 135/60 - Subtract the two like fractions:
350/60 - 135/60 = 350 - 135/60 = 215/60 - After reducing the fraction, the answer is 43/12
- In mixed form: 37/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/12-90/20 70/24-45/20 70/12-45/40 70/36-45/20 70/12-45/60 70/60-45/20 70/84-45/20