Add 21/6 and 15/96, Solve 3 3/6 + 15/96 as a fraction

Add 21/6 and 15/96

1^st number: 3 3/6, 2^nd number: 15/96

21/6 + 15/96 is 117/32.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 96 is 96

Next, find the equivalent fraction of both fractional numbers with denominator 96
For the 1st fraction, since 6 × 16 = 96,
21/6 = 21 × 16/6 × 16 = 336/96
Likewise, for the 2nd fraction, since 96 × 1 = 96,
15/96 = 15 × 1/96 × 1 = 15/96
Add the two like fractions:
336/96 + 15/96 = 336 + 15/96 = 351/96
351/96 simplified gives 117/32
So, 21/6 + 15/96 = 117/32
In mixed form: 321/32

MathStep (Works offline)

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