Add 36/40 and 84/80
1st number: 36/40, 2nd number: 1 4/80
36/40 + 84/80 is 39/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 40 × 2 = 80,
36/40 = 36 × 2/40 × 2 = 72/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
84/80 = 84 × 1/80 × 1 = 84/80 - Add the two like fractions:
72/80 + 84/80 = 72 + 84/80 = 156/80 - 156/80 simplified gives 39/20
- So, 36/40 + 84/80 = 39/20
In mixed form: 119/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/40+84/80 36/80+84/80