Add 50/70 and 84/9
1st number: 50/70, 2nd number: 9 3/9
50/70 + 84/9 is 211/21.
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,
50/70 = 50 × 9/70 × 9 = 450/630 - Likewise, for the 2nd fraction, since 9 × 70 = 630,
84/9 = 84 × 70/9 × 70 = 5880/630 - Add the two like fractions:
450/630 + 5880/630 = 450 + 5880/630 = 6330/630 - 6330/630 simplified gives 211/21
- So, 50/70 + 84/9 = 211/21
In mixed form: 101/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/70+84/18 50/70+84/27 50/70+84/45 50/70+84/63