Subtract 4/7 from 30/4
1st number: 7 2/4, 2nd number: 4/7
30/4 - 4/7 is 97/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 7 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 4 × 7 = 28,
30/4 = 30 × 7/4 × 7 = 210/28 - Likewise, for the 2nd fraction, since 7 × 4 = 28,
4/7 = 4 × 4/7 × 4 = 16/28 - Subtract the two like fractions:
210/28 - 16/28 = 210 - 16/28 = 194/28 - After reducing the fraction, the answer is 97/14
- In mixed form: 613/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/4-4/7 30/4-8/7 30/8-4/7 30/4-4/14 90/4-4/7 30/4-12/7 30/12-4/7 30/4-4/21 30/4-20/7 30/20-4/7 30/4-4/35 30/4-28/7 30/28-4/7 30/4-4/49