Subtract 9/14 from 7/30
7/30 - 9/14 is -43/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 14 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
7/30 = 7 × 7/30 × 7 = 49/210 - Likewise, for the 2nd fraction, since 14 × 15 = 210,
9/14 = 9 × 15/14 × 15 = 135/210 - Subtract the two like fractions:
49/210 - 135/210 = 49 - 135/210 = -86/210 - After reducing the fraction, the answer is -43/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/30-9/14 7/30-18/14 7/60-9/14 7/30-9/28 21/30-9/14 7/30-27/14 7/90-9/14 7/30-9/42 35/30-9/14 7/30-45/14 7/30-9/70 49/30-9/14 7/30-63/14 7/30-9/98