Subtract 4/32 from 80/20
1st number: 4 0/20, 2nd number: 4/32
80/20 - 4/32 is 31/8.
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,
80/20 = 80 × 8/20 × 8 = 640/160 - Likewise, for the 2nd fraction, since 32 × 5 = 160,
4/32 = 4 × 5/32 × 5 = 20/160 - Subtract the two like fractions:
640/160 - 20/160 = 640 - 20/160 = 620/160 - After reducing the fraction, the answer is 31/8
- In mixed form: 37/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/20-8/32 80/40-4/32 80/20-4/64 80/20-12/32 80/60-4/32 80/20-4/96 80/20-20/32 80/20-28/32