Subtract 30/72 from 5/14
5/14 - 30/72 is -5/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 14 × 36 = 504,
5/14 = 5 × 36/14 × 36 = 180/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
30/72 = 30 × 7/72 × 7 = 210/504 - Subtract the two like fractions:
180/504 - 210/504 = 180 - 210/504 = -30/504 - After reducing the fraction, the answer is -5/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/14-30/72 5/14-60/72 5/28-30/72 15/14-30/72 5/14-90/72 5/42-30/72 25/14-30/72 5/70-30/72 35/14-30/72 5/98-30/72