Add 7/70 and 84/9
1st number: 7/70, 2nd number: 9 3/9
7/70 + 84/9 is 283/30.
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,
7/70 = 7 × 9/70 × 9 = 63/630 - Likewise, for the 2nd fraction, since 9 × 70 = 630,
84/9 = 84 × 70/9 × 70 = 5880/630 - Add the two like fractions:
63/630 + 5880/630 = 63 + 5880/630 = 5943/630 - 5943/630 simplified gives 283/30
- So, 7/70 + 84/9 = 283/30
In mixed form: 913/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/70+84/9 7/70+84/18 21/70+84/9 7/70+84/27 35/70+84/9 7/70+84/45 49/70+84/9 7/70+84/63