Add 84/36 and 56/45
1st number: 2 12/36, 2nd number: 1 11/45
84/36 + 56/45 is 161/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
84/36 = 84 × 5/36 × 5 = 420/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
56/45 = 56 × 4/45 × 4 = 224/180 - Add the two like fractions:
420/180 + 224/180 = 420 + 224/180 = 644/180 - 644/180 simplified gives 161/45
- So, 84/36 + 56/45 = 161/45
In mixed form: 326/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/72+56/45 84/36+56/90