Add 5/90 and 70/9
1st number: 5/90, 2nd number: 7 7/9
5/90 + 70/9 is 47/6.
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,
5/90 = 5 × 1/90 × 1 = 5/90 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
70/9 = 70 × 10/9 × 10 = 700/90 - Add the two like fractions:
5/90 + 700/90 = 5 + 700/90 = 705/90 - 705/90 simplified gives 47/6
- So, 5/90 + 70/9 = 47/6
In mixed form: 75/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/90+70/9 5/90+70/18 15/90+70/9 5/90+70/27 25/90+70/9 5/90+70/45 35/90+70/9 5/90+70/63