Add 5/10 and 75/54, Solve 5/10 + 1 21/54 as a fraction

Add 5/10 and 75/54

1^st number: 5/10, 2^nd number: 1 21/54

5/10 + 75/54 is 17/9.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 54 is 270

Next, find the equivalent fraction of both fractional numbers with denominator 270
For the 1st fraction, since 10 × 27 = 270,
5/10 = 5 × 27/10 × 27 = 135/270
Likewise, for the 2nd fraction, since 54 × 5 = 270,
75/54 = 75 × 5/54 × 5 = 375/270
Add the two like fractions:
135/270 + 375/270 = 135 + 375/270 = 510/270
510/270 simplified gives 17/9
So, 5/10 + 75/54 = 17/9
In mixed form: 18/9

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