Add 90/4 and 25/81
1st number: 22 2/4, 2nd number: 25/81
90/4 + 25/81 is 3695/162.
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,
90/4 = 90 × 81/4 × 81 = 7290/324 - Likewise, for the 2nd fraction, since 81 × 4 = 324,
25/81 = 25 × 4/81 × 4 = 100/324 - Add the two like fractions:
7290/324 + 100/324 = 7290 + 100/324 = 7390/324 - 7390/324 simplified gives 3695/162
- So, 90/4 + 25/81 = 3695/162
In mixed form: 22131/162
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/4+50/81 90/8+25/81 90/4+75/81 90/12+25/81 90/20+25/81 90/28+25/81