Subtract 8/42 from 6/10
6/10 - 8/42 is 43/105.
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,
6/10 = 6 × 21/10 × 21 = 126/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
8/42 = 8 × 5/42 × 5 = 40/210 - Subtract the two like fractions:
126/210 - 40/210 = 126 - 40/210 = 86/210 - After reducing the fraction, the answer is 43/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/10-8/42 6/10-16/42 6/20-8/42 6/10-8/84 18/10-8/42 6/10-24/42 6/30-8/42 30/10-8/42 6/10-40/42 6/50-8/42 42/10-8/42 6/10-56/42 6/70-8/42