Subtract 30/14 from 15/30
1st number: 15/30, 2nd number: 2 2/14
15/30 - 30/14 is -23/14.
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,
15/30 = 15 × 7/30 × 7 = 105/210 - Likewise, for the 2nd fraction, since 14 × 15 = 210,
30/14 = 30 × 15/14 × 15 = 450/210 - Subtract the two like fractions:
105/210 - 450/210 = 105 - 450/210 = -345/210 - After reducing the fraction, the answer is -23/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 15/30-60/14 15/60-30/14 15/30-30/28 45/30-30/14 15/30-90/14 15/90-30/14 15/30-30/42 75/30-30/14 15/30-30/70 15/30-30/98