Subtract 54/20 from 16/5
1st number: 3 1/5, 2nd number: 2 14/20
16/5 - 54/20 is 1/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 5 × 4 = 20,
16/5 = 16 × 4/5 × 4 = 64/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
54/20 = 54 × 1/20 × 1 = 54/20 - Subtract the two like fractions:
64/20 - 54/20 = 64 - 54/20 = 10/20 - After reducing the fraction, the answer is 1/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/5-54/20 16/10-54/20 16/5-54/40 48/5-54/20 16/15-54/20 16/5-54/60 80/5-54/20 16/25-54/20 16/35-54/20