Add 54/98 and 63/64, Solve 54/98 + 63/64 as a fraction

Add 54/98 and 63/64

54/98 + 63/64 is 4815/3136.

Find the least common denominator or LCM of the two denominators:
LCM of 98 and 64 is 3136

Next, find the equivalent fraction of both fractional numbers with denominator 3136
For the 1st fraction, since 98 × 32 = 3136,
54/98 = 54 × 32/98 × 32 = 1728/3136
Likewise, for the 2nd fraction, since 64 × 49 = 3136,
63/64 = 63 × 49/64 × 49 = 3087/3136
Add the two like fractions:
1728/3136 + 3087/3136 = 1728 + 3087/3136 = 4815/3136
So, 54/98 + 63/64 = 4815/3136
In mixed form: 11679/3136

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