Subtract 9/10 from 54/12
1st number: 4 6/12, 2nd number: 9/10
54/12 - 9/10 is 18/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 10 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
54/12 = 54 × 5/12 × 5 = 270/60 - Likewise, for the 2nd fraction, since 10 × 6 = 60,
9/10 = 9 × 6/10 × 6 = 54/60 - Subtract the two like fractions:
270/60 - 54/60 = 270 - 54/60 = 216/60 - 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: 54/12-18/10 54/24-9/10 54/12-9/20 54/12-27/10 54/36-9/10 54/12-9/30 54/12-45/10 54/60-9/10 54/12-9/50 54/12-63/10 54/84-9/10 54/12-9/70