Subtract 36/7 from 24/72
1st number: 24/72, 2nd number: 5 1/7
24/72 - 36/7 is -101/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 7 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
24/72 = 24 × 7/72 × 7 = 168/504 - Likewise, for the 2nd fraction, since 7 × 72 = 504,
36/7 = 36 × 72/7 × 72 = 2592/504 - Subtract the two like fractions:
168/504 - 2592/504 = 168 - 2592/504 = -2424/504 - After reducing the fraction, the answer is -101/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/72-36/7 24/72-72/7 24/72-36/14 24/72-36/21 24/72-36/35 24/72-36/49