Subtract 36/40 from 24/45
24/45 - 36/40 is -11/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 45 × 8 = 360,
24/45 = 24 × 8/45 × 8 = 192/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
36/40 = 36 × 9/40 × 9 = 324/360 - Subtract the two like fractions:
192/360 - 324/360 = 192 - 324/360 = -132/360 - After reducing the fraction, the answer is -11/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/45-36/40 24/45-72/40 24/90-36/40 24/45-36/80 72/45-36/40