Add 10/72 and 45/9, Solve 10/72 + 5 0/9 as a fraction

Add 10/72 and 45/9

1^st number: 10/72, 2^nd number: 5 0/9

10/72 + 45/9 is 185/36.

Find the least common denominator or LCM of the two denominators:
LCM of 72 and 9 is 72

Next, find the equivalent fraction of both fractional numbers with denominator 72
For the 1st fraction, since 72 × 1 = 72,
10/72 = 10 × 1/72 × 1 = 10/72
Likewise, for the 2nd fraction, since 9 × 8 = 72,
45/9 = 45 × 8/9 × 8 = 360/72
Add the two like fractions:
10/72 + 360/72 = 10 + 360/72 = 370/72
370/72 simplified gives 185/36
So, 10/72 + 45/9 = 185/36
In mixed form: 55/36

MathStep (Works offline)

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