Subtract 42/16 from 84/8
1st number: 10 4/8, 2nd number: 2 10/16
84/8 - 42/16 is 63/8.
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,
84/8 = 84 × 2/8 × 2 = 168/16 - Likewise, for the 2nd fraction, since 16 × 1 = 16,
42/16 = 42 × 1/16 × 1 = 42/16 - Subtract the two like fractions:
168/16 - 42/16 = 168 - 42/16 = 126/16 - After reducing the fraction, the answer is 63/8
- In mixed form: 77/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/8-84/16 84/16-42/16 84/8-42/32 84/24-42/16 84/8-42/48 84/40-42/16 84/8-42/80 84/56-42/16