Subtract 54/8 from 45/10
1st number: 4 5/10, 2nd number: 6 6/8
45/10 - 54/8 is -9/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 10 × 4 = 40,
45/10 = 45 × 4/10 × 4 = 180/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
54/8 = 54 × 5/8 × 5 = 270/40 - Subtract the two like fractions:
180/40 - 270/40 = 180 - 270/40 = -90/40 - After reducing the fraction, the answer is -9/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/10-54/8 45/20-54/8 45/10-54/16 45/30-54/8 45/10-54/24 45/50-54/8 45/10-54/40 45/70-54/8 45/10-54/56