Subtract 32/42 from 18/5
1st number: 3 3/5, 2nd number: 32/42
18/5 - 32/42 is 298/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 5 × 42 = 210,
18/5 = 18 × 42/5 × 42 = 756/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
32/42 = 32 × 5/42 × 5 = 160/210 - Subtract the two like fractions:
756/210 - 160/210 = 756 - 160/210 = 596/210 - After reducing the fraction, the answer is 298/105
- In mixed form: 288/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/5-32/42 18/5-64/42 18/10-32/42 18/5-32/84 54/5-32/42 18/5-96/42 18/15-32/42 90/5-32/42 18/25-32/42 18/35-32/42