Subtract 27/84 from 1/10
1/10 - 27/84 is -31/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 10 × 42 = 420,
1/10 = 1 × 42/10 × 42 = 42/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
27/84 = 27 × 5/84 × 5 = 135/420 - Subtract the two like fractions:
42/420 - 135/420 = 42 - 135/420 = -93/420 - After reducing the fraction, the answer is -31/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/10-27/84 1/10-54/84 1/20-27/84 3/10-27/84 1/10-81/84 1/30-27/84 5/10-27/84 1/50-27/84 7/10-27/84 1/70-27/84