Add 12/4 and 75/81
1st number: 3 0/4, 2nd number: 75/81
12/4 + 75/81 is 106/27.
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,
12/4 = 12 × 81/4 × 81 = 972/324 - Likewise, for the 2nd fraction, since 81 × 4 = 324,
75/81 = 75 × 4/81 × 4 = 300/324 - Add the two like fractions:
972/324 + 300/324 = 972 + 300/324 = 1272/324 - 1272/324 simplified gives 106/27
- So, 12/4 + 75/81 = 106/27
In mixed form: 325/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/4+75/81 12/8+75/81 36/4+75/81 60/4+75/81 12/20+75/81 84/4+75/81 12/28+75/81