Subtract 30/54 from 2/10
2/10 - 30/54 is -16/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 10 × 27 = 270,
2/10 = 2 × 27/10 × 27 = 54/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
30/54 = 30 × 5/54 × 5 = 150/270 - Subtract the two like fractions:
54/270 - 150/270 = 54 - 150/270 = -96/270 - After reducing the fraction, the answer is -16/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/10-30/54 2/10-60/54 2/20-30/54 6/10-30/54 2/10-90/54 2/30-30/54 2/50-30/54 14/10-30/54 2/70-30/54