Subtract 24/40 from 4/16
4/16 - 24/40 is -7/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 40 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 16 × 5 = 80,
4/16 = 4 × 5/16 × 5 = 20/80 - Likewise, for the 2nd fraction, since 40 × 2 = 80,
24/40 = 24 × 2/40 × 2 = 48/80 - Subtract the two like fractions:
20/80 - 48/80 = 20 - 48/80 = -28/80 - After reducing the fraction, the answer is -7/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/16-24/40 4/16-48/40 4/32-24/40 4/16-24/80 12/16-24/40 4/16-72/40 4/48-24/40 20/16-24/40 4/80-24/40 28/16-24/40