Subtract 45/27 from 30/2
1st number: 15 0/2, 2nd number: 1 18/27
30/2 - 45/27 is 40/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 27 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 2 × 27 = 54,
30/2 = 30 × 27/2 × 27 = 810/54 - Likewise, for the 2nd fraction, since 27 × 2 = 54,
45/27 = 45 × 2/27 × 2 = 90/54 - Subtract the two like fractions:
810/54 - 90/54 = 810 - 90/54 = 720/54 - After reducing the fraction, the answer is 40/3
- In mixed form: 131/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/2-45/27 30/2-90/27 30/4-45/27 30/2-45/54 90/2-45/27 30/6-45/27 30/2-45/81 30/10-45/27 30/14-45/27