Subtract 9/7 from 30/2
1st number: 15 0/2, 2nd number: 1 2/7
30/2 - 9/7 is 96/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 7 is 14
Next, find the equivalent fraction of both fractional numbers with denominator 14 - For the 1st fraction, since 2 × 7 = 14,
30/2 = 30 × 7/2 × 7 = 210/14 - Likewise, for the 2nd fraction, since 7 × 2 = 14,
9/7 = 9 × 2/7 × 2 = 18/14 - Subtract the two like fractions:
210/14 - 18/14 = 210 - 18/14 = 192/14 - After reducing the fraction, the answer is 96/7
- In mixed form: 135/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/2-9/7 30/2-18/7 30/4-9/7 30/2-9/14 90/2-9/7 30/2-27/7 30/6-9/7 30/2-9/21 30/2-45/7 30/10-9/7 30/2-9/35 30/2-63/7 30/14-9/7 30/2-9/49