Add 84/3 and 9/42, Solve 28 0/3 + 9/42 as a fraction

Add 84/3 and 9/42

1^st number: 28 0/3, 2^nd number: 9/42

84/3 + 9/42 is 395/14.

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 42 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 3 × 14 = 42,
84/3 = 84 × 14/3 × 14 = 1176/42
Likewise, for the 2nd fraction, since 42 × 1 = 42,
9/42 = 9 × 1/42 × 1 = 9/42
Add the two like fractions:
1176/42 + 9/42 = 1176 + 9/42 = 1185/42
1185/42 simplified gives 395/14
So, 84/3 + 9/42 = 395/14
In mixed form: 283/14

MathStep (Works offline)

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