Subtract 36/45 from 4/10
4/10 - 36/45 is -2/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
4/10 = 4 × 9/10 × 9 = 36/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
36/45 = 36 × 2/45 × 2 = 72/90 - Subtract the two like fractions:
36/90 - 72/90 = 36 - 72/90 = -36/90 - After reducing the fraction, the answer is -2/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/10-36/45 4/10-72/45 4/20-36/45 4/10-36/90 12/10-36/45 4/30-36/45 20/10-36/45 4/50-36/45 28/10-36/45 4/70-36/45