Subtract 15/45 from 8/2
1st number: 4 0/2, 2nd number: 15/45
8/2 - 15/45 is 11/3.
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,
8/2 = 8 × 45/2 × 45 = 360/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
15/45 = 15 × 2/45 × 2 = 30/90 - Subtract the two like fractions:
360/90 - 30/90 = 360 - 30/90 = 330/90 - After reducing the fraction, the answer is 11/3
- In mixed form: 32/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/2-15/45 8/2-30/45 8/4-15/45 8/2-15/90 24/2-15/45 8/6-15/45 40/2-15/45 8/2-75/45 8/10-15/45 56/2-15/45 8/14-15/45