Add 27/28 and 28/63, Solve 27/28 + 28/63 as a fraction

Add 27/28 and 28/63

27/28 + 28/63 is 355/252.

Find the least common denominator or LCM of the two denominators:
LCM of 28 and 63 is 252

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 28 × 9 = 252,
27/28 = 27 × 9/28 × 9 = 243/252
Likewise, for the 2nd fraction, since 63 × 4 = 252,
28/63 = 28 × 4/63 × 4 = 112/252
Add the two like fractions:
243/252 + 112/252 = 243 + 112/252 = 355/252
So, 27/28 + 28/63 = 355/252
In mixed form: 1103/252

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