Subtract 4/12 from 42/16
1st number: 2 10/16, 2nd number: 4/12
42/16 - 4/12 is 55/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 12 is 48
Next, find the equivalent fraction of both fractional numbers with denominator 48 - For the 1st fraction, since 16 × 3 = 48,
42/16 = 42 × 3/16 × 3 = 126/48 - Likewise, for the 2nd fraction, since 12 × 4 = 48,
4/12 = 4 × 4/12 × 4 = 16/48 - Subtract the two like fractions:
126/48 - 16/48 = 126 - 16/48 = 110/48 - After reducing the fraction, the answer is 55/24
- In mixed form: 27/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/16-4/12 42/16-8/12 42/32-4/12 42/16-4/24 42/48-4/12 42/16-4/36 42/16-20/12 42/80-4/12 42/16-4/60 42/16-28/12 42/16-4/84