Add 54/12 and 10/81
1st number: 4 6/12, 2nd number: 10/81
54/12 + 10/81 is 749/162.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 81 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 12 × 27 = 324,
54/12 = 54 × 27/12 × 27 = 1458/324 - Likewise, for the 2nd fraction, since 81 × 4 = 324,
10/81 = 10 × 4/81 × 4 = 40/324 - Add the two like fractions:
1458/324 + 40/324 = 1458 + 40/324 = 1498/324 - 1498/324 simplified gives 749/162
- So, 54/12 + 10/81 = 749/162
In mixed form: 4101/162
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/12+20/81 54/24+10/81 54/12+30/81 54/36+10/81 54/12+50/81 54/60+10/81 54/12+70/81 54/84+10/81