Subtract 36/8 from 45/90
1st number: 45/90, 2nd number: 4 4/8
45/90 - 36/8 is -4/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 8 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 8 × 45 = 360,
36/8 = 36 × 45/8 × 45 = 1620/360 - Subtract the two like fractions:
180/360 - 1620/360 = 180 - 1620/360 = -1440/360 - After reducing the fraction, the answer is -4/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 45/90-72/8 45/90-36/16 45/90-36/24 45/90-36/40 45/90-36/56