Subtract 27/15 from 54/10
1st number: 5 4/10, 2nd number: 1 12/15
54/10 - 27/15 is 18/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 10 × 3 = 30,
54/10 = 54 × 3/10 × 3 = 162/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
27/15 = 27 × 2/15 × 2 = 54/30 - Subtract the two like fractions:
162/30 - 54/30 = 162 - 54/30 = 108/30 - After reducing the fraction, the answer is 18/5
- In mixed form: 33/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/10-54/15 54/20-27/15 54/10-27/30 54/10-81/15 54/30-27/15 54/10-27/45 54/50-27/15 54/10-27/75 54/70-27/15