Add 21/75 and 40/16, Solve 21/75 + 2 8/16 as a fraction

Add 21/75 and 40/16

1^st number: 21/75, 2^nd number: 2 8/16

21/75 + 40/16 is 139/50.

Find the least common denominator or LCM of the two denominators:
LCM of 75 and 16 is 1200

Next, find the equivalent fraction of both fractional numbers with denominator 1200
For the 1st fraction, since 75 × 16 = 1200,
21/75 = 21 × 16/75 × 16 = 336/1200
Likewise, for the 2nd fraction, since 16 × 75 = 1200,
40/16 = 40 × 75/16 × 75 = 3000/1200
Add the two like fractions:
336/1200 + 3000/1200 = 336 + 3000/1200 = 3336/1200
3336/1200 simplified gives 139/50
So, 21/75 + 40/16 = 139/50
In mixed form: 239/50

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