Add 6/18 and 75/70, Solve 6/18 + 1 5/70 as a fraction

Add 6/18 and 75/70

1^st number: 6/18, 2^nd number: 1 5/70

6/18 + 75/70 is 59/42.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 70 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 18 × 35 = 630,
6/18 = 6 × 35/18 × 35 = 210/630
Likewise, for the 2nd fraction, since 70 × 9 = 630,
75/70 = 75 × 9/70 × 9 = 675/630
Add the two like fractions:
210/630 + 675/630 = 210 + 675/630 = 885/630
885/630 simplified gives 59/42
So, 6/18 + 75/70 = 59/42
In mixed form: 117/42

MathStep (Works offline)

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