Add 6/63 and 42/12, Solve 6/63 + 3 6/12 as a fraction

Add 6/63 and 42/12

1^st number: 6/63, 2^nd number: 3 6/12

6/63 + 42/12 is 151/42.

Find the least common denominator or LCM of the two denominators:
LCM of 63 and 12 is 252

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 63 × 4 = 252,
6/63 = 6 × 4/63 × 4 = 24/252
Likewise, for the 2nd fraction, since 12 × 21 = 252,
42/12 = 42 × 21/12 × 21 = 882/252
Add the two like fractions:
24/252 + 882/252 = 24 + 882/252 = 906/252
906/252 simplified gives 151/42
So, 6/63 + 42/12 = 151/42
In mixed form: 325/42

MathStep (Works offline)

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