Subtract 45/60 from 24/40
24/40 - 45/60 is -3/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 60 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
24/40 = 24 × 3/40 × 3 = 72/120 - Likewise, for the 2nd fraction, since 60 × 2 = 120,
45/60 = 45 × 2/60 × 2 = 90/120 - Subtract the two like fractions:
72/120 - 90/120 = 72 - 90/120 = -18/120 - After reducing the fraction, the answer is -3/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/40-45/60 24/40-90/60 24/80-45/60 72/40-45/60