Add 90/14 and 48/21, Solve 6 6/14 + 2 6/21 as a fraction

Add 90/14 and 48/21

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

90/14 + 48/21 is 61/7.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 21 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 14 × 3 = 42,
90/14 = 90 × 3/14 × 3 = 270/42
Likewise, for the 2nd fraction, since 21 × 2 = 42,
48/21 = 48 × 2/21 × 2 = 96/42
Add the two like fractions:
270/42 + 96/42 = 270 + 96/42 = 366/42
366/42 simplified gives 61/7
So, 90/14 + 48/21 = 61/7
In mixed form: 85/7

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