Subtract 14/72 from 30/7
1st number: 4 2/7, 2nd number: 14/72
30/7 - 14/72 is 1031/252.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 7 × 72 = 504,
30/7 = 30 × 72/7 × 72 = 2160/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
14/72 = 14 × 7/72 × 7 = 98/504 - Subtract the two like fractions:
2160/504 - 98/504 = 2160 - 98/504 = 2062/504 - After reducing the fraction, the answer is 1031/252
- In mixed form: 423/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/7-14/72 30/7-28/72 30/14-14/72 90/7-14/72 30/7-42/72 30/21-14/72 30/7-70/72 30/35-14/72 30/7-98/72 30/49-14/72