Add 84/18 and 5/30
1st number: 4 12/18, 2nd number: 5/30
84/18 + 5/30 is 29/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
84/18 = 84 × 5/18 × 5 = 420/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
5/30 = 5 × 3/30 × 3 = 15/90 - Add the two like fractions:
420/90 + 15/90 = 420 + 15/90 = 435/90 - 435/90 simplified gives 29/6
- So, 84/18 + 5/30 = 29/6
In mixed form: 45/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/18+10/30 84/36+5/30 84/18+5/60 84/18+15/30 84/54+5/30 84/18+5/90 84/18+25/30 84/90+5/30 84/18+35/30