Subtract 7/15 from 54/30
1st number: 1 24/30, 2nd number: 7/15
54/30 - 7/15 is 4/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
54/30 = 54 × 1/30 × 1 = 54/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
7/15 = 7 × 2/15 × 2 = 14/30 - Subtract the two like fractions:
54/30 - 14/30 = 54 - 14/30 = 40/30 - After reducing the fraction, the answer is 4/3
- In mixed form: 11/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/30-14/15 54/60-7/15 54/30-7/30 54/30-21/15 54/90-7/15 54/30-7/45 54/30-35/15 54/30-7/75 54/30-49/15