Subtract 18/80 from 32/10
1st number: 3 2/10, 2nd number: 18/80
32/10 - 18/80 is 119/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 10 × 8 = 80,
32/10 = 32 × 8/10 × 8 = 256/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
18/80 = 18 × 1/80 × 1 = 18/80 - Subtract the two like fractions:
256/80 - 18/80 = 256 - 18/80 = 238/80 - After reducing the fraction, the answer is 119/40
- In mixed form: 239/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/10-18/80 32/10-36/80 32/20-18/80 96/10-18/80 32/10-54/80 32/30-18/80 32/10-90/80 32/50-18/80 32/70-18/80