Add 18/84 and 60/16, Solve 18/84 + 3 12/16 as a fraction

Add 18/84 and 60/16

1^st number: 18/84, 2^nd number: 3 12/16

18/84 + 60/16 is 111/28.

Find the least common denominator or LCM of the two denominators:
LCM of 84 and 16 is 336

Next, find the equivalent fraction of both fractional numbers with denominator 336
For the 1st fraction, since 84 × 4 = 336,
18/84 = 18 × 4/84 × 4 = 72/336
Likewise, for the 2nd fraction, since 16 × 21 = 336,
60/16 = 60 × 21/16 × 21 = 1260/336
Add the two like fractions:
72/336 + 1260/336 = 72 + 1260/336 = 1332/336
1332/336 simplified gives 111/28
So, 18/84 + 60/16 = 111/28
In mixed form: 327/28

MathStep (Works offline)

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