Subtract 18/3 from 45/10
1st number: 4 5/10, 2nd number: 6 0/3
45/10 - 18/3 is -3/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 3 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 3 × 10 = 30,
18/3 = 18 × 10/3 × 10 = 180/30 - Subtract the two like fractions:
135/30 - 180/30 = 135 - 180/30 = -45/30 - After reducing the fraction, the answer is -3/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/10-18/3 45/10-36/3 45/20-18/3 45/10-18/6 45/10-54/3 45/30-18/3 45/10-18/9 45/10-90/3 45/50-18/3 45/10-18/15 45/70-18/3 45/10-18/21