Subtract 36/10 from 80/30
1st number: 2 20/30, 2nd number: 3 6/10
80/30 - 36/10 is -14/15.
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,
80/30 = 80 × 1/30 × 1 = 80/30 - Likewise, for the 2nd fraction, since 10 × 3 = 30,
36/10 = 36 × 3/10 × 3 = 108/30 - Subtract the two like fractions:
80/30 - 108/30 = 80 - 108/30 = -28/30 - After reducing the fraction, the answer is -14/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/30-72/10 80/60-36/10 80/30-36/20 80/90-36/10 80/30-36/30 80/30-36/50 80/30-36/70