Add 81/36 and 18/35
1st number: 2 9/36, 2nd number: 18/35
81/36 + 18/35 is 387/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 35 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 36 × 35 = 1260,
81/36 = 81 × 35/36 × 35 = 2835/1260 - Likewise, for the 2nd fraction, since 35 × 36 = 1260,
18/35 = 18 × 36/35 × 36 = 648/1260 - Add the two like fractions:
2835/1260 + 648/1260 = 2835 + 648/1260 = 3483/1260 - 3483/1260 simplified gives 387/140
- So, 81/36 + 18/35 = 387/140
In mixed form: 2107/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/36+36/35 81/72+18/35 81/36+18/70 81/36+54/35 81/36+90/35