Add 90/6 and 32/21, Solve 15 0/6 + 1 11/21 as a fraction

Add 90/6 and 32/21

1^st number: 15 0/6, 2^nd number: 1 11/21

90/6 + 32/21 is 347/21.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 21 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 6 × 7 = 42,
90/6 = 90 × 7/6 × 7 = 630/42
Likewise, for the 2nd fraction, since 21 × 2 = 42,
32/21 = 32 × 2/21 × 2 = 64/42
Add the two like fractions:
630/42 + 64/42 = 630 + 64/42 = 694/42
694/42 simplified gives 347/21
So, 90/6 + 32/21 = 347/21
In mixed form: 1611/21

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