Add 84/80 and 40/75, Solve 1 4/80 + 40/75 as a fraction

Add 84/80 and 40/75

1^st number: 1 4/80, 2^nd number: 40/75

84/80 + 40/75 is 19/12.

Find the least common denominator or LCM of the two denominators:
LCM of 80 and 75 is 1200

Next, find the equivalent fraction of both fractional numbers with denominator 1200
For the 1st fraction, since 80 × 15 = 1200,
84/80 = 84 × 15/80 × 15 = 1260/1200
Likewise, for the 2nd fraction, since 75 × 16 = 1200,
40/75 = 40 × 16/75 × 16 = 640/1200
Add the two like fractions:
1260/1200 + 640/1200 = 1260 + 640/1200 = 1900/1200
1900/1200 simplified gives 19/12
So, 84/80 + 40/75 = 19/12
In mixed form: 17/12

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