Add 54/4 and 2/81
1st number: 13 2/4, 2nd number: 2/81
54/4 + 2/81 is 2191/162.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 81 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 4 × 81 = 324,
54/4 = 54 × 81/4 × 81 = 4374/324 - Likewise, for the 2nd fraction, since 81 × 4 = 324,
2/81 = 2 × 4/81 × 4 = 8/324 - Add the two like fractions:
4374/324 + 8/324 = 4374 + 8/324 = 4382/324 - 4382/324 simplified gives 2191/162
- So, 54/4 + 2/81 = 2191/162
In mixed form: 1385/162
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/4+4/81 54/8+2/81 54/4+6/81 54/12+2/81 54/4+10/81 54/20+2/81 54/4+14/81 54/28+2/81