Add 80/18 and 8/35, Solve 4 8/18 + 8/35 as a fraction

Add 80/18 and 8/35

1^st number: 4 8/18, 2^nd number: 8/35

80/18 + 8/35 is 1472/315.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 35 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 18 × 35 = 630,
80/18 = 80 × 35/18 × 35 = 2800/630
Likewise, for the 2nd fraction, since 35 × 18 = 630,
8/35 = 8 × 18/35 × 18 = 144/630
Add the two like fractions:
2800/630 + 144/630 = 2800 + 144/630 = 2944/630
2944/630 simplified gives 1472/315
So, 80/18 + 8/35 = 1472/315
In mixed form: 4212/315

MathStep (Works offline)

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