Subtract 20/3 from 45/10
1st number: 4 5/10, 2nd number: 6 2/3
45/10 - 20/3 is -13/6.
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,
20/3 = 20 × 10/3 × 10 = 200/30 - Subtract the two like fractions:
135/30 - 200/30 = 135 - 200/30 = -65/30 - After reducing the fraction, the answer is -13/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/10-20/3 45/10-40/3 45/20-20/3 45/10-20/6 45/10-60/3 45/30-20/3 45/10-20/9 45/50-20/3 45/10-20/15 45/70-20/3 45/10-20/21