Subtract 54/12 from 10/8
1st number: 1 2/8, 2nd number: 4 6/12
10/8 - 54/12 is -13/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 12 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 8 × 3 = 24,
10/8 = 10 × 3/8 × 3 = 30/24 - Likewise, for the 2nd fraction, since 12 × 2 = 24,
54/12 = 54 × 2/12 × 2 = 108/24 - Subtract the two like fractions:
30/24 - 108/24 = 30 - 108/24 = -78/24 - After reducing the fraction, the answer is -13/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/8-54/12 10/16-54/12 10/8-54/24 30/8-54/12 10/24-54/12 10/8-54/36 50/8-54/12 10/40-54/12 10/8-54/60 70/8-54/12 10/56-54/12 10/8-54/84