Subtract 63/30 from 45/9
1st number: 5 0/9, 2nd number: 2 3/30
45/9 - 63/30 is 29/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
45/9 = 45 × 10/9 × 10 = 450/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
63/30 = 63 × 3/30 × 3 = 189/90 - Subtract the two like fractions:
450/90 - 189/90 = 450 - 189/90 = 261/90 - After reducing the fraction, the answer is 29/10
- In mixed form: 29/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/9-63/30 45/18-63/30 45/9-63/60 45/27-63/30 45/9-63/90 45/63-63/30