Subtract 63/27 from 42/2
1st number: 21 0/2, 2nd number: 2 9/27
42/2 - 63/27 is 56/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 27 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 2 × 27 = 54,
42/2 = 42 × 27/2 × 27 = 1134/54 - Likewise, for the 2nd fraction, since 27 × 2 = 54,
63/27 = 63 × 2/27 × 2 = 126/54 - Subtract the two like fractions:
1134/54 - 126/54 = 1134 - 126/54 = 1008/54 - After reducing the fraction, the answer is 56/3
- In mixed form: 182/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/2-63/27 42/4-63/27 42/2-63/54 42/6-63/27 42/2-63/81 42/10-63/27 42/14-63/27