Subtract 36/10 from 45/40
1st number: 1 5/40, 2nd number: 3 6/10
45/40 - 36/10 is -99/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 10 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
45/40 = 45 × 1/40 × 1 = 45/40 - Likewise, for the 2nd fraction, since 10 × 4 = 40,
36/10 = 36 × 4/10 × 4 = 144/40 - Subtract the two like fractions:
45/40 - 144/40 = 45 - 144/40 = -99/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/40-36/10 45/40-72/10 45/80-36/10 45/40-36/20 45/40-36/30 45/40-36/50 45/40-36/70