Add 42/3 and 9/54, Solve 14 0/3 + 9/54 as a fraction

Add 42/3 and 9/54

1^st number: 14 0/3, 2^nd number: 9/54

42/3 + 9/54 is 85/6.

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 54 is 54

Next, find the equivalent fraction of both fractional numbers with denominator 54
For the 1st fraction, since 3 × 18 = 54,
42/3 = 42 × 18/3 × 18 = 756/54
Likewise, for the 2nd fraction, since 54 × 1 = 54,
9/54 = 9 × 1/54 × 1 = 9/54
Add the two like fractions:
756/54 + 9/54 = 756 + 9/54 = 765/54
765/54 simplified gives 85/6
So, 42/3 + 9/54 = 85/6
In mixed form: 141/6

MathStep (Works offline)

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