Subtract 20/18 from 50/32
1st number: 1 18/32, 2nd number: 1 2/18
50/32 - 20/18 is 65/144.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 18 is 288
Next, find the equivalent fraction of both fractional numbers with denominator 288 - For the 1st fraction, since 32 × 9 = 288,
50/32 = 50 × 9/32 × 9 = 450/288 - Likewise, for the 2nd fraction, since 18 × 16 = 288,
20/18 = 20 × 16/18 × 16 = 320/288 - Subtract the two like fractions:
450/288 - 320/288 = 450 - 320/288 = 130/288 - After reducing the fraction, the answer is 65/144
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/32-40/18 50/64-20/18 50/32-20/36 50/32-60/18 50/96-20/18 50/32-20/54 50/32-20/90