Subtract 20/54 from 30/5
1st number: 6 0/5, 2nd number: 20/54
30/5 - 20/54 is 152/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 5 × 54 = 270,
30/5 = 30 × 54/5 × 54 = 1620/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
20/54 = 20 × 5/54 × 5 = 100/270 - Subtract the two like fractions:
1620/270 - 100/270 = 1620 - 100/270 = 1520/270 - After reducing the fraction, the answer is 152/27
- In mixed form: 517/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/5-20/54 30/5-40/54 30/10-20/54 90/5-20/54 30/5-60/54 30/15-20/54 30/25-20/54 30/35-20/54