Add 4/6 and 81/45, Solve 4/6 + 1 36/45 as a fraction

Add 4/6 and 81/45

1^st number: 4/6, 2^nd number: 1 36/45

4/6 + 81/45 is 37/15.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 45 is 90

Next, find the equivalent fraction of both fractional numbers with denominator 90
For the 1st fraction, since 6 × 15 = 90,
4/6 = 4 × 15/6 × 15 = 60/90
Likewise, for the 2nd fraction, since 45 × 2 = 90,
81/45 = 81 × 2/45 × 2 = 162/90
Add the two like fractions:
60/90 + 162/90 = 60 + 162/90 = 222/90
222/90 simplified gives 37/15
So, 4/6 + 81/45 = 37/15
In mixed form: 27/15

MathStep (Works offline)

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