Subtract 10/32 from 40/20
1st number: 2 0/20, 2nd number: 10/32
40/20 - 10/32 is 27/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 32 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 20 × 8 = 160,
40/20 = 40 × 8/20 × 8 = 320/160 - Likewise, for the 2nd fraction, since 32 × 5 = 160,
10/32 = 10 × 5/32 × 5 = 50/160 - Subtract the two like fractions:
320/160 - 50/160 = 320 - 50/160 = 270/160 - After reducing the fraction, the answer is 27/16
- In mixed form: 111/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/20-10/32 40/20-20/32 40/20-10/64 40/20-30/32 40/60-10/32 40/20-10/96 40/20-50/32 40/20-70/32