Add 63/14 and 6/8, Solve 4 7/14 + 6/8 as a fraction

Add 63/14 and 6/8

1^st number: 4 7/14, 2^nd number: 6/8

63/14 + 6/8 is 21/4.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 8 is 56

Next, find the equivalent fraction of both fractional numbers with denominator 56
For the 1st fraction, since 14 × 4 = 56,
63/14 = 63 × 4/14 × 4 = 252/56
Likewise, for the 2nd fraction, since 8 × 7 = 56,
6/8 = 6 × 7/8 × 7 = 42/56
Add the two like fractions:
252/56 + 42/56 = 252 + 42/56 = 294/56
294/56 simplified gives 21/4
So, 63/14 + 6/8 = 21/4
In mixed form: 51/4

MathStep (Works offline)

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