Add 14/21 and 42/6, Solve 14/21 + 7 0/6 as a fraction

Add 14/21 and 42/6

1^st number: 14/21, 2^nd number: 7 0/6

14/21 + 42/6 is 23/3.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 6 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 21 × 2 = 42,
14/21 = 14 × 2/21 × 2 = 28/42
Likewise, for the 2nd fraction, since 6 × 7 = 42,
42/6 = 42 × 7/6 × 7 = 294/42
Add the two like fractions:
28/42 + 294/42 = 28 + 294/42 = 322/42
322/42 simplified gives 23/3
So, 14/21 + 42/6 = 23/3
In mixed form: 72/3

MathStep (Works offline)

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