Subtract 6/42 from 63/27
1st number: 2 9/27, 2nd number: 6/42
63/27 - 6/42 is 46/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 42 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 27 × 14 = 378,
63/27 = 63 × 14/27 × 14 = 882/378 - Likewise, for the 2nd fraction, since 42 × 9 = 378,
6/42 = 6 × 9/42 × 9 = 54/378 - Subtract the two like fractions:
882/378 - 54/378 = 882 - 54/378 = 828/378 - After reducing the fraction, the answer is 46/21
- In mixed form: 24/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/27-12/42 63/54-6/42 63/27-6/84 63/27-18/42 63/81-6/42 63/27-30/42