Subtract 15/8 from 42/16
1st number: 2 10/16, 2nd number: 1 7/8
42/16 - 15/8 is 3/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 8 is 16
Next, find the equivalent fraction of both fractional numbers with denominator 16 - For the 1st fraction, since 16 × 1 = 16,
42/16 = 42 × 1/16 × 1 = 42/16 - Likewise, for the 2nd fraction, since 8 × 2 = 16,
15/8 = 15 × 2/8 × 2 = 30/16 - Subtract the two like fractions:
42/16 - 30/16 = 42 - 30/16 = 12/16 - After reducing the fraction, the answer is 3/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/16-15/8 42/16-30/8 42/32-15/8 42/16-15/16 42/16-45/8 42/48-15/8 42/16-15/24 42/16-75/8 42/80-15/8 42/16-15/40 42/16-15/56