Add 8/30 and 20/18
1st number: 8/30, 2nd number: 1 2/18
8/30 + 20/18 is 62/45.
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,
8/30 = 8 × 3/30 × 3 = 24/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
20/18 = 20 × 5/18 × 5 = 100/90 - Add the two like fractions:
24/90 + 100/90 = 24 + 100/90 = 124/90 - 124/90 simplified gives 62/45
- So, 8/30 + 20/18 = 62/45
In mixed form: 117/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/30+20/18 8/30+40/18 8/60+20/18 8/30+20/36 24/30+20/18 8/30+60/18 8/90+20/18 8/30+20/54 40/30+20/18 8/30+20/90 56/30+20/18