Add 6/12 and 5/90
6/12 + 5/90 is 5/9.
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,
6/12 = 6 × 15/12 × 15 = 90/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
5/90 = 5 × 2/90 × 2 = 10/180 - Add the two like fractions:
90/180 + 10/180 = 90 + 10/180 = 100/180 - 100/180 simplified gives 5/9
- So, 6/12 + 5/90 = 5/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/12+10/90 6/24+5/90 18/12+5/90 6/12+15/90 6/36+5/90 30/12+5/90 6/12+25/90 6/60+5/90 42/12+5/90 6/12+35/90 6/84+5/90