Add 36/81 and 8/5
1st number: 36/81, 2nd number: 1 3/5
36/81 + 8/5 is 92/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 5 is 405
Next, find the equivalent fraction of both fractional numbers with denominator 405 - For the 1st fraction, since 81 × 5 = 405,
36/81 = 36 × 5/81 × 5 = 180/405 - Likewise, for the 2nd fraction, since 5 × 81 = 405,
8/5 = 8 × 81/5 × 81 = 648/405 - Add the two like fractions:
180/405 + 648/405 = 180 + 648/405 = 828/405 - 828/405 simplified gives 92/45
- So, 36/81 + 8/5 = 92/45
In mixed form: 22/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/81+8/5 36/81+16/5 36/81+8/10 36/81+24/5 36/81+8/15 36/81+40/5 36/81+8/25 36/81+56/5 36/81+8/35