Subtract 81/16 from 25/4
1st number: 6 1/4, 2nd number: 5 1/16
25/4 - 81/16 is 19/16.
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,
25/4 = 25 × 4/4 × 4 = 100/16 - Likewise, for the 2nd fraction, since 16 × 1 = 16,
81/16 = 81 × 1/16 × 1 = 81/16 - Subtract the two like fractions:
100/16 - 81/16 = 100 - 81/16 = 19/16 - In mixed form: 13/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/4-81/16 25/8-81/16 25/4-81/32 75/4-81/16 25/12-81/16 25/4-81/48 25/20-81/16 25/4-81/80 25/28-81/16