Subtract 1/5 from 4/30
4/30 - 1/5 is -1/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 5 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
4/30 = 4 × 1/30 × 1 = 4/30 - Likewise, for the 2nd fraction, since 5 × 6 = 30,
1/5 = 1 × 6/5 × 6 = 6/30 - Subtract the two like fractions:
4/30 - 6/30 = 4 - 6/30 = -2/30 - After reducing the fraction, the answer is -1/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/30-1/5 4/30-2/5 4/60-1/5 4/30-1/10 12/30-1/5 4/30-3/5 4/90-1/5 4/30-1/15 20/30-1/5 4/30-1/25 28/30-1/5 4/30-7/5 4/30-1/35