Subtract 20/6 from 4/30
1st number: 4/30, 2nd number: 3 2/6
4/30 - 20/6 is -16/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 6 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 6 × 5 = 30,
20/6 = 20 × 5/6 × 5 = 100/30 - Subtract the two like fractions:
4/30 - 100/30 = 4 - 100/30 = -96/30 - After reducing the fraction, the answer is -16/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/30-20/6 4/30-40/6 4/60-20/6 4/30-20/12 12/30-20/6 4/30-60/6 4/90-20/6 4/30-20/18 20/30-20/6 4/30-20/30 28/30-20/6 4/30-20/42