Add 63/6 and 54/84, Solve 10 3/6 + 54/84 as a fraction

Add 63/6 and 54/84

1^st number: 10 3/6, 2^nd number: 54/84

63/6 + 54/84 is 78/7.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 84 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 6 × 14 = 84,
63/6 = 63 × 14/6 × 14 = 882/84
Likewise, for the 2nd fraction, since 84 × 1 = 84,
54/84 = 54 × 1/84 × 1 = 54/84
Add the two like fractions:
882/84 + 54/84 = 882 + 54/84 = 936/84
936/84 simplified gives 78/7
So, 63/6 + 54/84 = 78/7
In mixed form: 111/7

MathStep (Works offline)

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