Subtract 9/15 from 45/10
1st number: 4 5/10, 2nd number: 9/15
45/10 - 9/15 is 39/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 10 × 3 = 30,
45/10 = 45 × 3/10 × 3 = 135/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
9/15 = 9 × 2/15 × 2 = 18/30 - Subtract the two like fractions:
135/30 - 18/30 = 135 - 18/30 = 117/30 - After reducing the fraction, the answer is 39/10
- In mixed form: 39/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/10-9/15 45/10-18/15 45/20-9/15 45/10-9/30 45/10-27/15 45/30-9/15 45/10-9/45 45/10-45/15 45/50-9/15 45/10-9/75 45/10-63/15 45/70-9/15