Add 72/24 and 5/81
1st number: 3 0/24, 2nd number: 5/81
72/24 + 5/81 is 248/81.
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,
5/81 = 5 × 8/81 × 8 = 40/648 - Add the two like fractions:
1944/648 + 40/648 = 1944 + 40/648 = 1984/648 - 1984/648 simplified gives 248/81
- So, 72/24 + 5/81 = 248/81
In mixed form: 35/81
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/24+10/81 72/48+5/81 72/24+15/81 72/24+25/81 72/24+35/81