Subtract 18/16 from 54/8
1st number: 6 6/8, 2nd number: 1 2/16
54/8 - 18/16 is 45/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 16 is 16
Next, find the equivalent fraction of both fractional numbers with denominator 16 - For the 1st fraction, since 8 × 2 = 16,
54/8 = 54 × 2/8 × 2 = 108/16 - Likewise, for the 2nd fraction, since 16 × 1 = 16,
18/16 = 18 × 1/16 × 1 = 18/16 - Subtract the two like fractions:
108/16 - 18/16 = 108 - 18/16 = 90/16 - After reducing the fraction, the answer is 45/8
- In mixed form: 55/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/8-36/16 54/16-18/16 54/8-18/32 54/8-54/16 54/24-18/16 54/8-18/48 54/8-90/16 54/40-18/16 54/8-18/80 54/56-18/16