Subtract 18/40 from 32/10
1st number: 3 2/10, 2nd number: 18/40
32/10 - 18/40 is 11/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 10 × 4 = 40,
32/10 = 32 × 4/10 × 4 = 128/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
18/40 = 18 × 1/40 × 1 = 18/40 - Subtract the two like fractions:
128/40 - 18/40 = 128 - 18/40 = 110/40 - After reducing the fraction, the answer is 11/4
- In mixed form: 23/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/10-18/40 32/10-36/40 32/20-18/40 32/10-18/80 96/10-18/40 32/10-54/40 32/30-18/40 32/10-90/40 32/50-18/40 32/70-18/40