Add 90/3 and 35/80, Solve 30 0/3 + 35/80 as a fraction

Add 90/3 and 35/80

1^st number: 30 0/3, 2^nd number: 35/80

90/3 + 35/80 is 487/16.

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 80 is 240

Next, find the equivalent fraction of both fractional numbers with denominator 240
For the 1st fraction, since 3 × 80 = 240,
90/3 = 90 × 80/3 × 80 = 7200/240
Likewise, for the 2nd fraction, since 80 × 3 = 240,
35/80 = 35 × 3/80 × 3 = 105/240
Add the two like fractions:
7200/240 + 105/240 = 7200 + 105/240 = 7305/240
7305/240 simplified gives 487/16
So, 90/3 + 35/80 = 487/16
In mixed form: 307/16

MathStep (Works offline)

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