Subtract 6/72 from 30/7
1st number: 4 2/7, 2nd number: 6/72
30/7 - 6/72 is 353/84.
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,
6/72 = 6 × 7/72 × 7 = 42/504 - Subtract the two like fractions:
2160/504 - 42/504 = 2160 - 42/504 = 2118/504 - After reducing the fraction, the answer is 353/84
- In mixed form: 417/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/7-6/72 30/7-12/72 30/14-6/72 90/7-6/72 30/7-18/72 30/21-6/72 30/7-30/72 30/35-6/72 30/7-42/72 30/49-6/72