Subtract 28/10 from 45/60
1st number: 45/60, 2nd number: 2 8/10
45/60 - 28/10 is -41/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 10 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 60 × 1 = 60,
45/60 = 45 × 1/60 × 1 = 45/60 - Likewise, for the 2nd fraction, since 10 × 6 = 60,
28/10 = 28 × 6/10 × 6 = 168/60 - Subtract the two like fractions:
45/60 - 168/60 = 45 - 168/60 = -123/60 - After reducing the fraction, the answer is -41/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/60-28/10 45/60-56/10 45/60-28/20 45/60-84/10 45/60-28/30 45/60-28/50 45/60-28/70