Subtract 54/40 from 5/20
1st number: 5/20, 2nd number: 1 14/40
5/20 - 54/40 is -11/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 20 × 2 = 40,
5/20 = 5 × 2/20 × 2 = 10/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
54/40 = 54 × 1/40 × 1 = 54/40 - Subtract the two like fractions:
10/40 - 54/40 = 10 - 54/40 = -44/40 - After reducing the fraction, the answer is -11/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/20-54/40 5/40-54/40 5/20-54/80 15/20-54/40 5/60-54/40 25/20-54/40 35/20-54/40