Subtract 2/20 from 54/8
1st number: 6 6/8, 2nd number: 2/20
54/8 - 2/20 is 133/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 20 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
54/8 = 54 × 5/8 × 5 = 270/40 - Likewise, for the 2nd fraction, since 20 × 2 = 40,
2/20 = 2 × 2/20 × 2 = 4/40 - Subtract the two like fractions:
270/40 - 4/40 = 270 - 4/40 = 266/40 - After reducing the fraction, the answer is 133/20
- In mixed form: 613/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/8-4/20 54/16-2/20 54/8-2/40 54/8-6/20 54/24-2/20 54/8-2/60 54/8-10/20 54/40-2/20 54/8-14/20 54/56-2/20