Add 6/4 and 6/72, Solve 1 2/4 + 6/72 as a fraction

Add 6/4 and 6/72

1^st number: 1 2/4, 2^nd number: 6/72

6/4 + 6/72 is 19/12.

Find the least common denominator or LCM of the two denominators:
LCM of 4 and 72 is 72

Next, find the equivalent fraction of both fractional numbers with denominator 72
For the 1st fraction, since 4 × 18 = 72,
6/4 = 6 × 18/4 × 18 = 108/72
Likewise, for the 2nd fraction, since 72 × 1 = 72,
6/72 = 6 × 1/72 × 1 = 6/72
Add the two like fractions:
108/72 + 6/72 = 108 + 6/72 = 114/72
114/72 simplified gives 19/12
So, 6/4 + 6/72 = 19/12
In mixed form: 17/12

MathStep (Works offline)

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