Add 12/90 and 7/6
1st number: 12/90, 2nd number: 1 1/6
12/90 + 7/6 is 13/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 6 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
12/90 = 12 × 1/90 × 1 = 12/90 - Likewise, for the 2nd fraction, since 6 × 15 = 90,
7/6 = 7 × 15/6 × 15 = 105/90 - Add the two like fractions:
12/90 + 105/90 = 12 + 105/90 = 117/90 - 117/90 simplified gives 13/10
- So, 12/90 + 7/6 = 13/10
In mixed form: 13/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/90+7/6 12/90+14/6 12/90+7/12 36/90+7/6 12/90+21/6 12/90+7/18 60/90+7/6 12/90+35/6 12/90+7/30 84/90+7/6 12/90+49/6 12/90+7/42