Add 36/81 and 42/35
1st number: 36/81, 2nd number: 1 7/35
36/81 + 42/35 is 74/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 35 is 2835
Next, find the equivalent fraction of both fractional numbers with denominator 2835 - For the 1st fraction, since 81 × 35 = 2835,
36/81 = 36 × 35/81 × 35 = 1260/2835 - Likewise, for the 2nd fraction, since 35 × 81 = 2835,
42/35 = 42 × 81/35 × 81 = 3402/2835 - Add the two like fractions:
1260/2835 + 3402/2835 = 1260 + 3402/2835 = 4662/2835 - 4662/2835 simplified gives 74/45
- So, 36/81 + 42/35 = 74/45
In mixed form: 129/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/81+42/35 36/81+84/35 36/81+42/70