Add 24/16 and 4/21, Solve 1 8/16 + 4/21 as a fraction

Add 24/16 and 4/21

1^st number: 1 8/16, 2^nd number: 4/21

24/16 + 4/21 is 71/42.

Find the least common denominator or LCM of the two denominators:
LCM of 16 and 21 is 336

Next, find the equivalent fraction of both fractional numbers with denominator 336
For the 1st fraction, since 16 × 21 = 336,
24/16 = 24 × 21/16 × 21 = 504/336
Likewise, for the 2nd fraction, since 21 × 16 = 336,
4/21 = 4 × 16/21 × 16 = 64/336
Add the two like fractions:
504/336 + 64/336 = 504 + 64/336 = 568/336
568/336 simplified gives 71/42
So, 24/16 + 4/21 = 71/42
In mixed form: 129/42

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