Add 5/9 and 90/70
1st number: 5/9, 2nd number: 1 20/70
5/9 + 90/70 is 116/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 9 × 70 = 630,
5/9 = 5 × 70/9 × 70 = 350/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
90/70 = 90 × 9/70 × 9 = 810/630 - Add the two like fractions:
350/630 + 810/630 = 350 + 810/630 = 1160/630 - 1160/630 simplified gives 116/63
- So, 5/9 + 90/70 = 116/63
In mixed form: 153/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/9+90/70 5/18+90/70 15/9+90/70 5/27+90/70 25/9+90/70 5/45+90/70 35/9+90/70 5/63+90/70