Add 12/90 and 20/6
1st number: 12/90, 2nd number: 3 2/6
12/90 + 20/6 is 52/15.
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,
20/6 = 20 × 15/6 × 15 = 300/90 - Add the two like fractions:
12/90 + 300/90 = 12 + 300/90 = 312/90 - 312/90 simplified gives 52/15
- So, 12/90 + 20/6 = 52/15
In mixed form: 37/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/90+20/6 12/90+40/6 12/90+20/12 36/90+20/6 12/90+60/6 12/90+20/18 60/90+20/6 12/90+20/30 84/90+20/6 12/90+20/42