Subtract 18/16 from 42/4
1st number: 10 2/4, 2nd number: 1 2/16
42/4 - 18/16 is 75/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 16 is 16
Next, find the equivalent fraction of both fractional numbers with denominator 16 - For the 1st fraction, since 4 × 4 = 16,
42/4 = 42 × 4/4 × 4 = 168/16 - Likewise, for the 2nd fraction, since 16 × 1 = 16,
18/16 = 18 × 1/16 × 1 = 18/16 - Subtract the two like fractions:
168/16 - 18/16 = 168 - 18/16 = 150/16 - After reducing the fraction, the answer is 75/8
- In mixed form: 93/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/4-18/16 42/4-36/16 42/8-18/16 42/4-18/32 42/4-54/16 42/12-18/16 42/4-18/48 42/4-90/16 42/20-18/16 42/4-18/80 42/28-18/16