Subtract 9/10 from 36/45
36/45 - 9/10 is -1/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
36/45 = 36 × 2/45 × 2 = 72/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
9/10 = 9 × 9/10 × 9 = 81/90 - Subtract the two like fractions:
72/90 - 81/90 = 72 - 81/90 = -9/90 - After reducing the fraction, the answer is -1/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/45-9/10 36/45-18/10 36/90-9/10 36/45-9/20 36/45-27/10 36/45-9/30 36/45-45/10 36/45-9/50 36/45-63/10 36/45-9/70