Subtract 14/7 from 4/30
1st number: 4/30, 2nd number: 2 0/7
4/30 - 14/7 is -28/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 7 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
4/30 = 4 × 7/30 × 7 = 28/210 - Likewise, for the 2nd fraction, since 7 × 30 = 210,
14/7 = 14 × 30/7 × 30 = 420/210 - Subtract the two like fractions:
28/210 - 420/210 = 28 - 420/210 = -392/210 - After reducing the fraction, the answer is -28/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/30-14/7 4/30-28/7 4/60-14/7 12/30-14/7 4/30-42/7 4/90-14/7 4/30-14/21 20/30-14/7 4/30-70/7 4/30-14/35 28/30-14/7 4/30-98/7 4/30-14/49