Subtract 20/30 from 84/32
1st number: 2 20/32, 2nd number: 20/30
84/32 - 20/30 is 47/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 30 is 480
Next, find the equivalent fraction of both fractional numbers with denominator 480 - For the 1st fraction, since 32 × 15 = 480,
84/32 = 84 × 15/32 × 15 = 1260/480 - Likewise, for the 2nd fraction, since 30 × 16 = 480,
20/30 = 20 × 16/30 × 16 = 320/480 - Subtract the two like fractions:
1260/480 - 320/480 = 1260 - 320/480 = 940/480 - After reducing the fraction, the answer is 47/24
- In mixed form: 123/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/32-40/30 84/64-20/30 84/32-20/60 84/32-60/30 84/96-20/30 84/32-20/90