Add 9/2 and 7/63, Solve 4 1/2 + 7/63 as a fraction

Add 9/2 and 7/63

1^st number: 4 1/2, 2^nd number: 7/63

9/2 + 7/63 is 83/18.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 63 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 2 × 63 = 126,
9/2 = 9 × 63/2 × 63 = 567/126
Likewise, for the 2nd fraction, since 63 × 2 = 126,
7/63 = 7 × 2/63 × 2 = 14/126
Add the two like fractions:
567/126 + 14/126 = 567 + 14/126 = 581/126
581/126 simplified gives 83/18
So, 9/2 + 7/63 = 83/18
In mixed form: 411/18

MathStep (Works offline)

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