Add 9/72 and 40/30, Solve 9/72 + 1 10/30 as a fraction

Add 9/72 and 40/30

1^st number: 9/72, 2^nd number: 1 10/30

9/72 + 40/30 is 35/24.

Find the least common denominator or LCM of the two denominators:
LCM of 72 and 30 is 360

Next, find the equivalent fraction of both fractional numbers with denominator 360
For the 1st fraction, since 72 × 5 = 360,
9/72 = 9 × 5/72 × 5 = 45/360
Likewise, for the 2nd fraction, since 30 × 12 = 360,
40/30 = 40 × 12/30 × 12 = 480/360
Add the two like fractions:
45/360 + 480/360 = 45 + 480/360 = 525/360
525/360 simplified gives 35/24
So, 9/72 + 40/30 = 35/24
In mixed form: 111/24

MathStep (Works offline)

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