Add 20/12 and 6/35, Solve 1 8/12 + 6/35 as a fraction

Add 20/12 and 6/35

1^st number: 1 8/12, 2^nd number: 6/35

20/12 + 6/35 is 193/105.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 35 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 12 × 35 = 420,
20/12 = 20 × 35/12 × 35 = 700/420
Likewise, for the 2nd fraction, since 35 × 12 = 420,
6/35 = 6 × 12/35 × 12 = 72/420
Add the two like fractions:
700/420 + 72/420 = 700 + 72/420 = 772/420
772/420 simplified gives 193/105
So, 20/12 + 6/35 = 193/105
In mixed form: 188/105

MathStep (Works offline)

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