Subtract 14/42 from 49/72
49/72 - 14/42 is 25/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 42 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
49/72 = 49 × 7/72 × 7 = 343/504 - Likewise, for the 2nd fraction, since 42 × 12 = 504,
14/42 = 14 × 12/42 × 12 = 168/504 - Subtract the two like fractions:
343/504 - 168/504 = 343 - 168/504 = 175/504 - After reducing the fraction, the answer is 25/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/72-14/42 49/72-28/42 49/72-14/84 49/72-70/42 49/72-98/42