Subtract 10/30 from 3/54
3/54 - 10/30 is -5/18.
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,
3/54 = 3 × 5/54 × 5 = 15/270 - Likewise, for the 2nd fraction, since 30 × 9 = 270,
10/30 = 10 × 9/30 × 9 = 90/270 - Subtract the two like fractions:
15/270 - 90/270 = 15 - 90/270 = -75/270 - After reducing the fraction, the answer is -5/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/54-10/30 3/54-20/30 3/54-10/60 9/54-10/30 3/54-10/90 15/54-10/30 3/54-50/30 21/54-10/30 3/54-70/30