Subtract 5/45 from 30/2
1st number: 15 0/2, 2nd number: 5/45
30/2 - 5/45 is 134/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 2 × 45 = 90,
30/2 = 30 × 45/2 × 45 = 1350/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
5/45 = 5 × 2/45 × 2 = 10/90 - Subtract the two like fractions:
1350/90 - 10/90 = 1350 - 10/90 = 1340/90 - After reducing the fraction, the answer is 134/9
- In mixed form: 148/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/2-5/45 30/2-10/45 30/4-5/45 30/2-5/90 90/2-5/45 30/2-15/45 30/6-5/45 30/2-25/45 30/10-5/45 30/2-35/45 30/14-5/45