Subtract 15/40 from 36/4
1st number: 9 0/4, 2nd number: 15/40
36/4 - 15/40 is 69/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 4 × 10 = 40,
36/4 = 36 × 10/4 × 10 = 360/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
15/40 = 15 × 1/40 × 1 = 15/40 - Subtract the two like fractions:
360/40 - 15/40 = 360 - 15/40 = 345/40 - After reducing the fraction, the answer is 69/8
- In mixed form: 85/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/4-15/40 36/4-30/40 36/8-15/40 36/4-15/80 36/4-45/40 36/12-15/40 36/4-75/40 36/20-15/40 36/28-15/40