Subtract 36/80 from 10/30
10/30 - 36/80 is -7/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 30 × 8 = 240,
10/30 = 10 × 8/30 × 8 = 80/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
36/80 = 36 × 3/80 × 3 = 108/240 - Subtract the two like fractions:
80/240 - 108/240 = 80 - 108/240 = -28/240 - After reducing the fraction, the answer is -7/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/30-36/80 10/30-72/80 10/60-36/80 10/90-36/80 50/30-36/80 70/30-36/80