Subtract 9/30 from 10/54
10/54 - 9/30 is -31/270.
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,
9/30 = 9 × 9/30 × 9 = 81/270 - Subtract the two like fractions:
50/270 - 81/270 = 50 - 81/270 = -31/270
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/54-9/30 10/54-18/30 10/54-9/60 30/54-9/30 10/54-27/30 10/54-9/90 50/54-9/30 10/54-45/30 70/54-9/30 10/54-63/30