Subtract 2/4 from 24/81
24/81 - 2/4 is -11/54.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 4 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 81 × 4 = 324,
24/81 = 24 × 4/81 × 4 = 96/324 - Likewise, for the 2nd fraction, since 4 × 81 = 324,
2/4 = 2 × 81/4 × 81 = 162/324 - Subtract the two like fractions:
96/324 - 162/324 = 96 - 162/324 = -66/324 - After reducing the fraction, the answer is -11/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/81-2/4 24/81-2/8 72/81-2/4 24/81-6/4 24/81-2/12 24/81-10/4 24/81-2/20 24/81-14/4 24/81-2/28