Subtract 14/20 from 45/9
1st number: 5 0/9, 2nd number: 14/20
45/9 - 14/20 is 43/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 9 × 20 = 180,
45/9 = 45 × 20/9 × 20 = 900/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
14/20 = 14 × 9/20 × 9 = 126/180 - Subtract the two like fractions:
900/180 - 126/180 = 900 - 126/180 = 774/180 - After reducing the fraction, the answer is 43/10
- In mixed form: 43/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/9-14/20 45/9-28/20 45/18-14/20 45/9-14/40 45/9-42/20 45/27-14/20 45/9-14/60 45/9-70/20 45/9-98/20 45/63-14/20