Subtract 10/32 from 3/20
3/20 - 10/32 is -13/80.
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,
3/20 = 3 × 8/20 × 8 = 24/160 - Likewise, for the 2nd fraction, since 32 × 5 = 160,
10/32 = 10 × 5/32 × 5 = 50/160 - Subtract the two like fractions:
24/160 - 50/160 = 24 - 50/160 = -26/160 - After reducing the fraction, the answer is -13/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/20-10/32 3/20-20/32 3/40-10/32 3/20-10/64 9/20-10/32 3/20-30/32 3/60-10/32 3/20-10/96 15/20-10/32 3/20-50/32 21/20-10/32 3/20-70/32