Add 5/70 and 20/9
1st number: 5/70, 2nd number: 2 2/9
5/70 + 20/9 is 289/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 9 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
5/70 = 5 × 9/70 × 9 = 45/630 - Likewise, for the 2nd fraction, since 9 × 70 = 630,
20/9 = 20 × 70/9 × 70 = 1400/630 - Add the two like fractions:
45/630 + 1400/630 = 45 + 1400/630 = 1445/630 - 1445/630 simplified gives 289/126
- So, 5/70 + 20/9 = 289/126
In mixed form: 237/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/70+20/9 5/70+40/9 5/70+20/18 15/70+20/9 5/70+60/9 5/70+20/27 25/70+20/9 5/70+20/45 35/70+20/9 5/70+20/63