Subtract 20/45 from 60/12
1st number: 5 0/12, 2nd number: 20/45
60/12 - 20/45 is 41/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 12 × 15 = 180,
60/12 = 60 × 15/12 × 15 = 900/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
20/45 = 20 × 4/45 × 4 = 80/180 - Subtract the two like fractions:
900/180 - 80/180 = 900 - 80/180 = 820/180 - After reducing the fraction, the answer is 41/9
- In mixed form: 45/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/12-40/45 60/24-20/45 60/12-20/90 60/12-60/45 60/36-20/45 60/84-20/45