Add 21/6 and 25/45, Solve 3 3/6 + 25/45 as a fraction

Add 21/6 and 25/45

1^st number: 3 3/6, 2^nd number: 25/45

21/6 + 25/45 is 73/18.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 45 is 90

Next, find the equivalent fraction of both fractional numbers with denominator 90
For the 1st fraction, since 6 × 15 = 90,
21/6 = 21 × 15/6 × 15 = 315/90
Likewise, for the 2nd fraction, since 45 × 2 = 90,
25/45 = 25 × 2/45 × 2 = 50/90
Add the two like fractions:
315/90 + 50/90 = 315 + 50/90 = 365/90
365/90 simplified gives 73/18
So, 21/6 + 25/45 = 73/18
In mixed form: 41/18

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