Subtract 5/27 from 45/30
1st number: 1 15/30, 2nd number: 5/27
45/30 - 5/27 is 71/54.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 27 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 30 × 9 = 270,
45/30 = 45 × 9/30 × 9 = 405/270 - Likewise, for the 2nd fraction, since 27 × 10 = 270,
5/27 = 5 × 10/27 × 10 = 50/270 - Subtract the two like fractions:
405/270 - 50/270 = 405 - 50/270 = 355/270 - After reducing the fraction, the answer is 71/54
- In mixed form: 117/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/30-5/27 45/30-10/27 45/60-5/27 45/30-5/54 45/30-15/27 45/90-5/27 45/30-5/81 45/30-25/27 45/30-35/27