Add 84/30 and 20/18
1st number: 2 24/30, 2nd number: 1 2/18
84/30 + 20/18 is 176/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
84/30 = 84 × 3/30 × 3 = 252/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
20/18 = 20 × 5/18 × 5 = 100/90 - Add the two like fractions:
252/90 + 100/90 = 252 + 100/90 = 352/90 - 352/90 simplified gives 176/45
- So, 84/30 + 20/18 = 176/45
In mixed form: 341/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/30+40/18 84/60+20/18 84/30+20/36 84/30+60/18 84/90+20/18 84/30+20/54 84/30+20/90