Subtract 6/16 from 81/4
1st number: 20 1/4, 2nd number: 6/16
81/4 - 6/16 is 159/8.
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,
81/4 = 81 × 4/4 × 4 = 324/16 - Likewise, for the 2nd fraction, since 16 × 1 = 16,
6/16 = 6 × 1/16 × 1 = 6/16 - Subtract the two like fractions:
324/16 - 6/16 = 324 - 6/16 = 318/16 - After reducing the fraction, the answer is 159/8
- In mixed form: 197/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/4-12/16 81/8-6/16 81/4-6/32 81/4-18/16 81/12-6/16 81/4-6/48 81/4-30/16 81/20-6/16 81/4-6/80 81/4-42/16 81/28-6/16