Subtract 4/30 from 1/54
1/54 - 4/30 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,
1/54 = 1 × 5/54 × 5 = 5/270 - Likewise, for the 2nd fraction, since 30 × 9 = 270,
4/30 = 4 × 9/30 × 9 = 36/270 - Subtract the two like fractions:
5/270 - 36/270 = 5 - 36/270 = -31/270
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/54-4/30 1/54-8/30 1/54-4/60 3/54-4/30 1/54-12/30 1/54-4/90 5/54-4/30 1/54-20/30 7/54-4/30 1/54-28/30