Subtract 24/54 from 16/40
16/40 - 24/54 is -2/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 54 is 1080
Next, find the equivalent fraction of both fractional numbers with denominator 1080 - For the 1st fraction, since 40 × 27 = 1080,
16/40 = 16 × 27/40 × 27 = 432/1080 - Likewise, for the 2nd fraction, since 54 × 20 = 1080,
24/54 = 24 × 20/54 × 20 = 480/1080 - Subtract the two like fractions:
432/1080 - 480/1080 = 432 - 480/1080 = -48/1080 - After reducing the fraction, the answer is -2/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/40-24/54 16/40-48/54 16/80-24/54 48/40-24/54 16/40-72/54 80/40-24/54