Subtract 27/42 from 8/2
1st number: 4 0/2, 2nd number: 27/42
8/2 - 27/42 is 47/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 2 × 21 = 42,
8/2 = 8 × 21/2 × 21 = 168/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
27/42 = 27 × 1/42 × 1 = 27/42 - Subtract the two like fractions:
168/42 - 27/42 = 168 - 27/42 = 141/42 - After reducing the fraction, the answer is 47/14
- In mixed form: 35/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/2-27/42 8/2-54/42 8/4-27/42 8/2-27/84 24/2-27/42 8/2-81/42 8/6-27/42 40/2-27/42 8/10-27/42 56/2-27/42 8/14-27/42