Add 3/70 and 54/18, Solve 3/70 + 3 0/18 as a fraction

Add 3/70 and 54/18

1^st number: 3/70, 2^nd number: 3 0/18

3/70 + 54/18 is 213/70.

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

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 70 × 9 = 630,
3/70 = 3 × 9/70 × 9 = 27/630
Likewise, for the 2nd fraction, since 18 × 35 = 630,
54/18 = 54 × 35/18 × 35 = 1890/630
Add the two like fractions:
27/630 + 1890/630 = 27 + 1890/630 = 1917/630
1917/630 simplified gives 213/70
So, 3/70 + 54/18 = 213/70
In mixed form: 33/70

MathStep (Works offline)

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