Add 90/6 and 21/36, Solve 15 0/6 + 21/36 as a fraction

Add 90/6 and 21/36

1^st number: 15 0/6, 2^nd number: 21/36

90/6 + 21/36 is 187/12.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 36 is 36

Next, find the equivalent fraction of both fractional numbers with denominator 36
For the 1st fraction, since 6 × 6 = 36,
90/6 = 90 × 6/6 × 6 = 540/36
Likewise, for the 2nd fraction, since 36 × 1 = 36,
21/36 = 21 × 1/36 × 1 = 21/36
Add the two like fractions:
540/36 + 21/36 = 540 + 21/36 = 561/36
561/36 simplified gives 187/12
So, 90/6 + 21/36 = 187/12
In mixed form: 157/12

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