Subtract 30/14 from 5/15
1st number: 5/15, 2nd number: 2 2/14
5/15 - 30/14 is -38/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 14 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 15 × 14 = 210,
5/15 = 5 × 14/15 × 14 = 70/210 - Likewise, for the 2nd fraction, since 14 × 15 = 210,
30/14 = 30 × 15/14 × 15 = 450/210 - Subtract the two like fractions:
70/210 - 450/210 = 70 - 450/210 = -380/210 - After reducing the fraction, the answer is -38/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/15-30/14 5/15-60/14 5/30-30/14 5/15-30/28 5/15-90/14 5/45-30/14 5/15-30/42 25/15-30/14 5/75-30/14 5/15-30/70 35/15-30/14 5/15-30/98