Subtract 9/12 from 54/5
1st number: 10 4/5, 2nd number: 9/12
54/5 - 9/12 is 201/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 5 × 12 = 60,
54/5 = 54 × 12/5 × 12 = 648/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
9/12 = 9 × 5/12 × 5 = 45/60 - Subtract the two like fractions:
648/60 - 45/60 = 648 - 45/60 = 603/60 - After reducing the fraction, the answer is 201/20
- In mixed form: 101/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/5-18/12 54/10-9/12 54/5-9/24 54/5-27/12 54/15-9/12 54/5-9/36 54/5-45/12 54/25-9/12 54/5-9/60 54/5-63/12 54/35-9/12 54/5-9/84