Subtract 3/54 from 30/15
1st number: 2 0/15, 2nd number: 3/54
30/15 - 3/54 is 35/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 15 × 18 = 270,
30/15 = 30 × 18/15 × 18 = 540/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
3/54 = 3 × 5/54 × 5 = 15/270 - Subtract the two like fractions:
540/270 - 15/270 = 540 - 15/270 = 525/270 - After reducing the fraction, the answer is 35/18
- In mixed form: 117/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/15-3/54 30/15-6/54 90/15-3/54 30/15-9/54 30/45-3/54 30/15-15/54 30/75-3/54 30/15-21/54