Subtract 45/10 from 5/8
1st number: 5/8, 2nd number: 4 5/10
5/8 - 45/10 is -31/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 10 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
5/8 = 5 × 5/8 × 5 = 25/40 - Likewise, for the 2nd fraction, since 10 × 4 = 40,
45/10 = 45 × 4/10 × 4 = 180/40 - Subtract the two like fractions:
25/40 - 180/40 = 25 - 180/40 = -155/40 - After reducing the fraction, the answer is -31/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/8-45/10 5/8-90/10 5/16-45/10 5/8-45/20 15/8-45/10 5/24-45/10 5/8-45/30 25/8-45/10 5/40-45/10 5/8-45/50 35/8-45/10 5/56-45/10 5/8-45/70