Subtract 18/8 from 54/14
1st number: 3 12/14, 2nd number: 2 2/8
54/14 - 18/8 is 45/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 8 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 14 × 4 = 56,
54/14 = 54 × 4/14 × 4 = 216/56 - Likewise, for the 2nd fraction, since 8 × 7 = 56,
18/8 = 18 × 7/8 × 7 = 126/56 - Subtract the two like fractions:
216/56 - 126/56 = 216 - 126/56 = 90/56 - After reducing the fraction, the answer is 45/28
- In mixed form: 117/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/14-36/8 54/28-18/8 54/14-18/16 54/14-54/8 54/42-18/8 54/14-18/24 54/14-90/8 54/70-18/8 54/14-18/40 54/98-18/8 54/14-18/56