Add 84/20 and 30/36
1st number: 4 4/20, 2nd number: 30/36
84/20 + 30/36 is 151/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
84/20 = 84 × 9/20 × 9 = 756/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
30/36 = 30 × 5/36 × 5 = 150/180 - Add the two like fractions:
756/180 + 150/180 = 756 + 150/180 = 906/180 - 906/180 simplified gives 151/30
- So, 84/20 + 30/36 = 151/30
In mixed form: 51/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/20+60/36 84/40+30/36 84/20+30/72 84/20+90/36 84/60+30/36