Subtract 4/5 from 54/8
1st number: 6 6/8, 2nd number: 4/5
54/8 - 4/5 is 119/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 5 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 5 × 8 = 40,
4/5 = 4 × 8/5 × 8 = 32/40 - Subtract the two like fractions:
270/40 - 32/40 = 270 - 32/40 = 238/40 - After reducing the fraction, the answer is 119/20
- In mixed form: 519/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/8-8/5 54/16-4/5 54/8-4/10 54/8-12/5 54/24-4/5 54/8-4/15 54/8-20/5 54/40-4/5 54/8-4/25 54/8-28/5 54/56-4/5 54/8-4/35