Add 27/70 and 70/9
1st number: 27/70, 2nd number: 7 7/9
27/70 + 70/9 is 5143/630.
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,
27/70 = 27 × 9/70 × 9 = 243/630 - Likewise, for the 2nd fraction, since 9 × 70 = 630,
70/9 = 70 × 70/9 × 70 = 4900/630 - Add the two like fractions:
243/630 + 4900/630 = 243 + 4900/630 = 5143/630 - So, 27/70 + 70/9 = 5143/630
In mixed form: 8103/630
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/70+70/9 27/70+70/18 81/70+70/9 27/70+70/27 27/70+70/45 27/70+70/63