Add 21/6 and 98/14, Solve 3 3/6 + 7 0/14 as a fraction

Add 21/6 and 98/14

1^st number: 3 3/6, 2^nd number: 7 0/14

21/6 + 98/14 is 21/2.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 14 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 6 × 7 = 42,
21/6 = 21 × 7/6 × 7 = 147/42
Likewise, for the 2nd fraction, since 14 × 3 = 42,
98/14 = 98 × 3/14 × 3 = 294/42
Add the two like fractions:
147/42 + 294/42 = 147 + 294/42 = 441/42
441/42 simplified gives 21/2
So, 21/6 + 98/14 = 21/2
In mixed form: 101/2

MathStep (Works offline)

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