Subtract 36/72 from 45/90
45/90 - 36/72 is 0/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 90 × 4 = 360,
45/90 = 45 × 4/90 × 4 = 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: