Subtract 4/16 from 42/8
1st number: 5 2/8, 2nd number: 4/16
42/8 - 4/16 is 5/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 16 is 16
Next, find the equivalent fraction of both fractional numbers with denominator 16 - For the 1st fraction, since 8 × 2 = 16,
42/8 = 42 × 2/8 × 2 = 84/16 - Likewise, for the 2nd fraction, since 16 × 1 = 16,
4/16 = 4 × 1/16 × 1 = 4/16 - Subtract the two like fractions:
84/16 - 4/16 = 84 - 4/16 = 80/16 - After reducing the fraction, the answer is 5/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/8-4/16 42/8-8/16 42/16-4/16 42/8-4/32 42/8-12/16 42/24-4/16 42/8-4/48 42/8-20/16 42/40-4/16 42/8-4/80 42/8-28/16 42/56-4/16