Subtract 5/10 from 9/30
9/30 - 5/10 is -1/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 10 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
9/30 = 9 × 1/30 × 1 = 9/30 - Likewise, for the 2nd fraction, since 10 × 3 = 30,
5/10 = 5 × 3/10 × 3 = 15/30 - Subtract the two like fractions:
9/30 - 15/30 = 9 - 15/30 = -6/30 - After reducing the fraction, the answer is -1/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/30-5/10 9/60-5/10 9/30-5/20 27/30-5/10 9/30-15/10 9/90-5/10 9/30-5/30 45/30-5/10 9/30-25/10 9/30-5/50 63/30-5/10 9/30-35/10 9/30-5/70