Subtract 30/45 from 40/6
1st number: 6 4/6, 2nd number: 30/45
40/6 - 30/45 is 6/1.
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,
40/6 = 40 × 15/6 × 15 = 600/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
30/45 = 30 × 2/45 × 2 = 60/90 - Subtract the two like fractions:
600/90 - 60/90 = 600 - 60/90 = 540/90 - After reducing the fraction, the answer is 6/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/6-30/45 40/6-60/45 40/12-30/45 40/6-30/90 40/6-90/45 40/18-30/45 40/30-30/45 40/42-30/45