Subtract 5/40 from 45/60
45/60 - 5/40 is 5/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 60 × 2 = 120,
45/60 = 45 × 2/60 × 2 = 90/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
5/40 = 5 × 3/40 × 3 = 15/120 - Subtract the two like fractions:
90/120 - 15/120 = 90 - 15/120 = 75/120 - After reducing the fraction, the answer is 5/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/60-5/40 45/60-10/40 45/60-5/80 45/60-15/40 45/60-25/40 45/60-35/40