Add 84/6 and 20/72, Solve 14 0/6 + 20/72 as a fraction

Add 84/6 and 20/72

1^st number: 14 0/6, 2^nd number: 20/72

84/6 + 20/72 is 257/18.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 72 is 72

Next, find the equivalent fraction of both fractional numbers with denominator 72
For the 1st fraction, since 6 × 12 = 72,
84/6 = 84 × 12/6 × 12 = 1008/72
Likewise, for the 2nd fraction, since 72 × 1 = 72,
20/72 = 20 × 1/72 × 1 = 20/72
Add the two like fractions:
1008/72 + 20/72 = 1008 + 20/72 = 1028/72
1028/72 simplified gives 257/18
So, 84/6 + 20/72 = 257/18
In mixed form: 145/18

MathStep (Works offline)

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