Add 9/84 and 36/20
1st number: 9/84, 2nd number: 1 16/20
9/84 + 36/20 is 267/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 20 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
9/84 = 9 × 5/84 × 5 = 45/420 - Likewise, for the 2nd fraction, since 20 × 21 = 420,
36/20 = 36 × 21/20 × 21 = 756/420 - Add the two like fractions:
45/420 + 756/420 = 45 + 756/420 = 801/420 - 801/420 simplified gives 267/140
- So, 9/84 + 36/20 = 267/140
In mixed form: 1127/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/84+36/20 9/84+72/20 9/84+36/40 27/84+36/20 9/84+36/60 45/84+36/20 63/84+36/20