Add 9/6 and 54/90, Solve 1 3/6 + 54/90 as a fraction

Add 9/6 and 54/90

1^st number: 1 3/6, 2^nd number: 54/90

9/6 + 54/90 is 21/10.

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

Next, find the equivalent fraction of both fractional numbers with denominator 90
For the 1st fraction, since 6 × 15 = 90,
9/6 = 9 × 15/6 × 15 = 135/90
Likewise, for the 2nd fraction, since 90 × 1 = 90,
54/90 = 54 × 1/90 × 1 = 54/90
Add the two like fractions:
135/90 + 54/90 = 135 + 54/90 = 189/90
189/90 simplified gives 21/10
So, 9/6 + 54/90 = 21/10
In mixed form: 21/10

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