Add 81/98 and 90/80, Solve 81/98 + 1 10/80 as a fraction

Add 81/98 and 90/80

1^st number: 81/98, 2^nd number: 1 10/80

81/98 + 90/80 is 765/392.

Find the least common denominator or LCM of the two denominators:
LCM of 98 and 80 is 3920

Next, find the equivalent fraction of both fractional numbers with denominator 3920
For the 1st fraction, since 98 × 40 = 3920,
81/98 = 81 × 40/98 × 40 = 3240/3920
Likewise, for the 2nd fraction, since 80 × 49 = 3920,
90/80 = 90 × 49/80 × 49 = 4410/3920
Add the two like fractions:
3240/3920 + 4410/3920 = 3240 + 4410/3920 = 7650/3920
7650/3920 simplified gives 765/392
So, 81/98 + 90/80 = 765/392
In mixed form: 1373/392

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