Subtract 36/72 from 15/30
15/30 - 36/72 is 0/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 30 × 12 = 360,
15/30 = 15 × 12/30 × 12 = 180/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
36/72 = 36 × 5/72 × 5 = 180/360 - Subtract the two like fractions:
180/360 - 180/360 = 180 - 180/360 = 0/360 - The answer is 0
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 15/60-36/72 45/30-36/72 15/90-36/72 75/30-36/72