Subtract 6/40 from 54/20
1st number: 2 14/20, 2nd number: 6/40
54/20 - 6/40 is 51/20.
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,
54/20 = 54 × 2/20 × 2 = 108/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
6/40 = 6 × 1/40 × 1 = 6/40 - Subtract the two like fractions:
108/40 - 6/40 = 108 - 6/40 = 102/40 - After reducing the fraction, the answer is 51/20
- In mixed form: 211/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/20-12/40 54/40-6/40 54/20-6/80 54/20-18/40 54/60-6/40 54/20-30/40 54/20-42/40