Add 96/21 and 14/84, Solve 4 12/21 + 14/84 as a fraction

Add 96/21 and 14/84

1^st number: 4 12/21, 2^nd number: 14/84

96/21 + 14/84 is 199/42.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 84 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 21 × 4 = 84,
96/21 = 96 × 4/21 × 4 = 384/84
Likewise, for the 2nd fraction, since 84 × 1 = 84,
14/84 = 14 × 1/84 × 1 = 14/84
Add the two like fractions:
384/84 + 14/84 = 384 + 14/84 = 398/84
398/84 simplified gives 199/42
So, 96/21 + 14/84 = 199/42
In mixed form: 431/42

MathStep (Works offline)

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