Subtract 2/12 from 54/15
1st number: 3 9/15, 2nd number: 2/12
54/15 - 2/12 is 103/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
54/15 = 54 × 4/15 × 4 = 216/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
2/12 = 2 × 5/12 × 5 = 10/60 - Subtract the two like fractions:
216/60 - 10/60 = 216 - 10/60 = 206/60 - After reducing the fraction, the answer is 103/30
- In mixed form: 313/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/15-4/12 54/30-2/12 54/15-2/24 54/15-6/12 54/45-2/12 54/15-2/36 54/15-10/12 54/75-2/12 54/15-2/60 54/15-14/12 54/15-2/84