Add 63/5 and 6/42, Solve 12 3/5 + 6/42 as a fraction

Add 63/5 and 6/42

1^st number: 12 3/5, 2^nd number: 6/42

63/5 + 6/42 is 446/35.

Find the least common denominator or LCM of the two denominators:
LCM of 5 and 42 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 5 × 42 = 210,
63/5 = 63 × 42/5 × 42 = 2646/210
Likewise, for the 2nd fraction, since 42 × 5 = 210,
6/42 = 6 × 5/42 × 5 = 30/210
Add the two like fractions:
2646/210 + 30/210 = 2646 + 30/210 = 2676/210
2676/210 simplified gives 446/35
So, 63/5 + 6/42 = 446/35
In mixed form: 1226/35

MathStep (Works offline)

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