Subtract 40/49 from 15/24
15/24 - 40/49 is -75/392.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 49 is 1176
Next, find the equivalent fraction of both fractional numbers with denominator 1176 - For the 1st fraction, since 24 × 49 = 1176,
15/24 = 15 × 49/24 × 49 = 735/1176 - Likewise, for the 2nd fraction, since 49 × 24 = 1176,
40/49 = 40 × 24/49 × 24 = 960/1176 - Subtract the two like fractions:
735/1176 - 960/1176 = 735 - 960/1176 = -225/1176 - After reducing the fraction, the answer is -75/392
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/24-40/49 15/24-80/49 15/48-40/49 15/24-40/98 45/24-40/49 15/72-40/49 75/24-40/49