Subtract 9/54 from 40/30
1st number: 1 10/30, 2nd number: 9/54
40/30 - 9/54 is 7/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 30 × 9 = 270,
40/30 = 40 × 9/30 × 9 = 360/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
9/54 = 9 × 5/54 × 5 = 45/270 - Subtract the two like fractions:
360/270 - 45/270 = 360 - 45/270 = 315/270 - After reducing the fraction, the answer is 7/6
- In mixed form: 11/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/30-9/54 40/30-18/54 40/60-9/54 40/30-27/54 40/90-9/54 40/30-45/54 40/30-63/54