Subtract 63/45 from 30/9
1st number: 3 3/9, 2nd number: 1 18/45
30/9 - 63/45 is 29/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 9 × 5 = 45,
30/9 = 30 × 5/9 × 5 = 150/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
63/45 = 63 × 1/45 × 1 = 63/45 - Subtract the two like fractions:
150/45 - 63/45 = 150 - 63/45 = 87/45 - After reducing the fraction, the answer is 29/15
- In mixed form: 114/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/9-63/45 30/18-63/45 30/9-63/90 90/9-63/45 30/27-63/45 30/45-63/45 30/63-63/45