Add 70/2 and 21/27, Solve 35 0/2 + 21/27 as a fraction

Add 70/2 and 21/27

1^st number: 35 0/2, 2^nd number: 21/27

70/2 + 21/27 is 322/9.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 27 is 54

Next, find the equivalent fraction of both fractional numbers with denominator 54
For the 1st fraction, since 2 × 27 = 54,
70/2 = 70 × 27/2 × 27 = 1890/54
Likewise, for the 2nd fraction, since 27 × 2 = 54,
21/27 = 21 × 2/27 × 2 = 42/54
Add the two like fractions:
1890/54 + 42/54 = 1890 + 42/54 = 1932/54
1932/54 simplified gives 322/9
So, 70/2 + 21/27 = 322/9
In mixed form: 357/9

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad