Add 80/81 and 45/98, Solve 80/81 + 45/98 as a fraction

Add 80/81 and 45/98

80/81 + 45/98 is 11485/7938.

Find the least common denominator or LCM of the two denominators:
LCM of 81 and 98 is 7938

Next, find the equivalent fraction of both fractional numbers with denominator 7938
For the 1st fraction, since 81 × 98 = 7938,
80/81 = 80 × 98/81 × 98 = 7840/7938
Likewise, for the 2nd fraction, since 98 × 81 = 7938,
45/98 = 45 × 81/98 × 81 = 3645/7938
Add the two like fractions:
7840/7938 + 3645/7938 = 7840 + 3645/7938 = 11485/7938
So, 80/81 + 45/98 = 11485/7938
In mixed form: 13547/7938

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