Subtract 12/5 from 54/20
1st number: 2 14/20, 2nd number: 2 2/5
54/20 - 12/5 is 3/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 5 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
54/20 = 54 × 1/20 × 1 = 54/20 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
12/5 = 12 × 4/5 × 4 = 48/20 - Subtract the two like fractions:
54/20 - 48/20 = 54 - 48/20 = 6/20 - After reducing the fraction, the answer is 3/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/20-24/5 54/40-12/5 54/20-12/10 54/20-36/5 54/60-12/5 54/20-12/15 54/20-60/5 54/20-12/25 54/20-84/5 54/20-12/35