Subtract 18/45 from 63/6
1st number: 10 3/6, 2nd number: 18/45
63/6 - 18/45 is 101/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 6 × 15 = 90,
63/6 = 63 × 15/6 × 15 = 945/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
18/45 = 18 × 2/45 × 2 = 36/90 - Subtract the two like fractions:
945/90 - 36/90 = 945 - 36/90 = 909/90 - After reducing the fraction, the answer is 101/10
- In mixed form: 101/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/6-36/45 63/12-18/45 63/6-18/90 63/6-54/45 63/18-18/45 63/6-90/45 63/30-18/45 63/42-18/45