Subtract 63/18 from 45/10
1st number: 4 5/10, 2nd number: 3 9/18
45/10 - 63/18 is 1/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
45/10 = 45 × 9/10 × 9 = 405/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
63/18 = 63 × 5/18 × 5 = 315/90 - Subtract the two like fractions:
405/90 - 315/90 = 405 - 315/90 = 90/90 - After reducing the fraction, the answer is 1/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/10-63/18 45/20-63/18 45/10-63/36 45/30-63/18 45/10-63/54 45/50-63/18 45/10-63/90 45/70-63/18