Subtract 24/40 from 4/36
4/36 - 24/40 is -22/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 36 × 10 = 360,
4/36 = 4 × 10/36 × 10 = 40/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
24/40 = 24 × 9/40 × 9 = 216/360 - Subtract the two like fractions:
40/360 - 216/360 = 40 - 216/360 = -176/360 - After reducing the fraction, the answer is -22/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/36-24/40 4/36-48/40 4/72-24/40 4/36-24/80 12/36-24/40 4/36-72/40 20/36-24/40 28/36-24/40