Subtract 12/40 from 84/32
1st number: 2 20/32, 2nd number: 12/40
84/32 - 12/40 is 93/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 40 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 32 × 5 = 160,
84/32 = 84 × 5/32 × 5 = 420/160 - Likewise, for the 2nd fraction, since 40 × 4 = 160,
12/40 = 12 × 4/40 × 4 = 48/160 - Subtract the two like fractions:
420/160 - 48/160 = 420 - 48/160 = 372/160 - After reducing the fraction, the answer is 93/40
- In mixed form: 213/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/32-24/40 84/64-12/40 84/32-12/80 84/32-36/40 84/96-12/40 84/32-60/40 84/32-84/40