Add 45/30 and 16/18
1st number: 1 15/30, 2nd number: 16/18
45/30 + 16/18 is 43/18.
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,
45/30 = 45 × 3/30 × 3 = 135/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
16/18 = 16 × 5/18 × 5 = 80/90 - Add the two like fractions:
135/90 + 80/90 = 135 + 80/90 = 215/90 - 215/90 simplified gives 43/18
- So, 45/30 + 16/18 = 43/18
In mixed form: 27/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/30+16/18 45/30+32/18 45/60+16/18 45/30+16/36 45/30+48/18 45/90+16/18 45/30+16/54 45/30+80/18 45/30+16/90