Add 72/24 and 25/81
1st number: 3 0/24, 2nd number: 25/81
72/24 + 25/81 is 268/81.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 81 is 648
Next, find the equivalent fraction of both fractional numbers with denominator 648 - For the 1st fraction, since 24 × 27 = 648,
72/24 = 72 × 27/24 × 27 = 1944/648 - Likewise, for the 2nd fraction, since 81 × 8 = 648,
25/81 = 25 × 8/81 × 8 = 200/648 - Add the two like fractions:
1944/648 + 200/648 = 1944 + 200/648 = 2144/648 - 2144/648 simplified gives 268/81
- So, 72/24 + 25/81 = 268/81
In mixed form: 325/81
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/24+50/81 72/48+25/81 72/24+75/81