Add 21/2 and 48/63, Solve 10 1/2 + 48/63 as a fraction

Add 21/2 and 48/63

1^st number: 10 1/2, 2^nd number: 48/63

21/2 + 48/63 is 473/42.

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,
21/2 = 21 × 63/2 × 63 = 1323/126
Likewise, for the 2nd fraction, since 63 × 2 = 126,
48/63 = 48 × 2/63 × 2 = 96/126
Add the two like fractions:
1323/126 + 96/126 = 1323 + 96/126 = 1419/126
1419/126 simplified gives 473/42
So, 21/2 + 48/63 = 473/42
In mixed form: 1111/42

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