Subtract 40/30 from 10/54
1st number: 10/54, 2nd number: 1 10/30
10/54 - 40/30 is -31/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 30 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
10/54 = 10 × 5/54 × 5 = 50/270 - Likewise, for the 2nd fraction, since 30 × 9 = 270,
40/30 = 40 × 9/30 × 9 = 360/270 - Subtract the two like fractions:
50/270 - 360/270 = 50 - 360/270 = -310/270 - After reducing the fraction, the answer is -31/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/54-40/30 10/54-80/30 10/54-40/60 30/54-40/30 10/54-40/90 50/54-40/30 70/54-40/30