Subtract 8/36 from 4/30
4/30 - 8/36 is -4/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 30 × 6 = 180,
4/30 = 4 × 6/30 × 6 = 24/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
8/36 = 8 × 5/36 × 5 = 40/180 - Subtract the two like fractions:
24/180 - 40/180 = 24 - 40/180 = -16/180 - After reducing the fraction, the answer is -4/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/30-8/36 4/30-16/36 4/60-8/36 4/30-8/72 12/30-8/36 4/30-24/36 4/90-8/36 20/30-8/36 4/30-40/36 28/30-8/36 4/30-56/36