Subtract 9/40 from 32/12
1st number: 2 8/12, 2nd number: 9/40
32/12 - 9/40 is 293/120.
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,
32/12 = 32 × 10/12 × 10 = 320/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
9/40 = 9 × 3/40 × 3 = 27/120 - Subtract the two like fractions:
320/120 - 27/120 = 320 - 27/120 = 293/120 - In mixed form: 253/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/12-9/40 32/12-18/40 32/24-9/40 32/12-9/80 96/12-9/40 32/12-27/40 32/36-9/40 32/12-45/40 32/60-9/40 32/12-63/40 32/84-9/40