Subtract 4/15 from 54/20
1st number: 2 14/20, 2nd number: 4/15
54/20 - 4/15 is 73/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
54/20 = 54 × 3/20 × 3 = 162/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
4/15 = 4 × 4/15 × 4 = 16/60 - Subtract the two like fractions:
162/60 - 16/60 = 162 - 16/60 = 146/60 - After reducing the fraction, the answer is 73/30
- In mixed form: 213/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/20-8/15 54/40-4/15 54/20-4/30 54/20-12/15 54/60-4/15 54/20-4/45 54/20-20/15 54/20-4/75 54/20-28/15