Subtract 45/3 from 40/10
1st number: 4 0/10, 2nd number: 15 0/3
40/10 - 45/3 is -11/1.
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,
40/10 = 40 × 3/10 × 3 = 120/30 - Likewise, for the 2nd fraction, since 3 × 10 = 30,
45/3 = 45 × 10/3 × 10 = 450/30 - Subtract the two like fractions:
120/30 - 450/30 = 120 - 450/30 = -330/30 - After reducing the fraction, the answer is -11/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/10-45/3 40/10-90/3 40/20-45/3 40/10-45/6 40/30-45/3 40/10-45/9 40/50-45/3 40/10-45/15 40/70-45/3 40/10-45/21