Add 14/42 and 90/21, Solve 14/42 + 4 6/21 as a fraction

Add 14/42 and 90/21

1^st number: 14/42, 2^nd number: 4 6/21

14/42 + 90/21 is 97/21.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 21 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 42 × 1 = 42,
14/42 = 14 × 1/42 × 1 = 14/42
Likewise, for the 2nd fraction, since 21 × 2 = 42,
90/21 = 90 × 2/21 × 2 = 180/42
Add the two like fractions:
14/42 + 180/42 = 14 + 180/42 = 194/42
194/42 simplified gives 97/21
So, 14/42 + 90/21 = 97/21
In mixed form: 413/21

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