Subtract 63/40 from 36/12
1st number: 3 0/12, 2nd number: 1 23/40
36/12 - 63/40 is 57/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 12 × 10 = 120,
36/12 = 36 × 10/12 × 10 = 360/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
63/40 = 63 × 3/40 × 3 = 189/120 - Subtract the two like fractions:
360/120 - 189/120 = 360 - 189/120 = 171/120 - After reducing the fraction, the answer is 57/40
- In mixed form: 117/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/12-63/40 36/24-63/40 36/12-63/80 36/60-63/40 36/84-63/40