Subtract 96/42 from 18/10
1st number: 1 8/10, 2nd number: 2 12/42
18/10 - 96/42 is -17/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 10 × 21 = 210,
18/10 = 18 × 21/10 × 21 = 378/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
96/42 = 96 × 5/42 × 5 = 480/210 - Subtract the two like fractions:
378/210 - 480/210 = 378 - 480/210 = -102/210 - After reducing the fraction, the answer is -17/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/10-96/42 18/20-96/42 18/10-96/84 54/10-96/42 18/30-96/42 90/10-96/42 18/50-96/42 18/70-96/42