Subtract 8/36 from 45/30
1st number: 1 15/30, 2nd number: 8/36
45/30 - 8/36 is 23/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 30 × 6 = 180,
45/30 = 45 × 6/30 × 6 = 270/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
8/36 = 8 × 5/36 × 5 = 40/180 - Subtract the two like fractions:
270/180 - 40/180 = 270 - 40/180 = 230/180 - After reducing the fraction, the answer is 23/18
- In mixed form: 15/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/30-8/36 45/30-16/36 45/60-8/36 45/30-8/72 45/30-24/36 45/90-8/36 45/30-40/36 45/30-56/36