Add 16/12 and 45/90
1st number: 1 4/12, 2nd number: 45/90
16/12 + 45/90 is 11/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 12 × 15 = 180,
16/12 = 16 × 15/12 × 15 = 240/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
45/90 = 45 × 2/90 × 2 = 90/180 - Add the two like fractions:
240/180 + 90/180 = 240 + 90/180 = 330/180 - 330/180 simplified gives 11/6
- So, 16/12 + 45/90 = 11/6
In mixed form: 15/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/12+45/90 16/24+45/90 48/12+45/90 16/36+45/90 80/12+45/90 16/60+45/90 16/84+45/90