Add 6/90 and 7/9
6/90 + 7/9 is 38/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 9 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
6/90 = 6 × 1/90 × 1 = 6/90 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
7/9 = 7 × 10/9 × 10 = 70/90 - Add the two like fractions:
6/90 + 70/90 = 6 + 70/90 = 76/90 - 76/90 simplified gives 38/45
- So, 6/90 + 7/9 = 38/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/90+7/9 6/90+14/9 6/90+7/18 18/90+7/9 6/90+21/9 6/90+7/27 30/90+7/9 6/90+35/9 6/90+7/45 42/90+7/9 6/90+49/9 6/90+7/63