Subtract 63/27 from 42/48
1st number: 42/48, 2nd number: 2 9/27
42/48 - 63/27 is -35/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 27 is 432
Next, find the equivalent fraction of both fractional numbers with denominator 432 - For the 1st fraction, since 48 × 9 = 432,
42/48 = 42 × 9/48 × 9 = 378/432 - Likewise, for the 2nd fraction, since 27 × 16 = 432,
63/27 = 63 × 16/27 × 16 = 1008/432 - Subtract the two like fractions:
378/432 - 1008/432 = 378 - 1008/432 = -630/432 - After reducing the fraction, the answer is -35/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/48-63/27 42/96-63/27 42/48-63/54 42/48-63/81