Add 36/15 and 4/84, Solve 2 6/15 + 4/84 as a fraction

Add 36/15 and 4/84

1^st number: 2 6/15, 2^nd number: 4/84

36/15 + 4/84 is 257/105.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 84 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 15 × 28 = 420,
36/15 = 36 × 28/15 × 28 = 1008/420
Likewise, for the 2nd fraction, since 84 × 5 = 420,
4/84 = 4 × 5/84 × 5 = 20/420
Add the two like fractions:
1008/420 + 20/420 = 1008 + 20/420 = 1028/420
1028/420 simplified gives 257/105
So, 36/15 + 4/84 = 257/105
In mixed form: 247/105

MathStep (Works offline)

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