Subtract 7/30 from 6/54
6/54 - 7/30 is -11/90.
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,
6/54 = 6 × 5/54 × 5 = 30/270 - Likewise, for the 2nd fraction, since 30 × 9 = 270,
7/30 = 7 × 9/30 × 9 = 63/270 - Subtract the two like fractions:
30/270 - 63/270 = 30 - 63/270 = -33/270 - After reducing the fraction, the answer is -11/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/54-7/30 6/54-14/30 6/54-7/60 18/54-7/30 6/54-21/30 6/54-7/90 30/54-7/30 6/54-35/30 42/54-7/30 6/54-49/30