Add 36/30 and 18/9
1st number: 1 6/30, 2nd number: 2 0/9
36/30 + 18/9 is 16/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 9 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
36/30 = 36 × 3/30 × 3 = 108/90 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
18/9 = 18 × 10/9 × 10 = 180/90 - Add the two like fractions:
108/90 + 180/90 = 108 + 180/90 = 288/90 - 288/90 simplified gives 16/5
- So, 36/30 + 18/9 = 16/5
In mixed form: 31/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/30+18/9 36/30+36/9 36/60+18/9 36/30+54/9 36/90+18/9 36/30+18/27 36/30+90/9 36/30+18/45 36/30+18/63