Subtract 45/63 from 40/6
1st number: 6 4/6, 2nd number: 45/63
40/6 - 45/63 is 125/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 6 × 21 = 126,
40/6 = 40 × 21/6 × 21 = 840/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
45/63 = 45 × 2/63 × 2 = 90/126 - Subtract the two like fractions:
840/126 - 90/126 = 840 - 90/126 = 750/126 - After reducing the fraction, the answer is 125/21
- In mixed form: 520/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/6-45/63 40/6-90/63 40/12-45/63 40/18-45/63 40/30-45/63 40/42-45/63