Add 21/54 and 72/24, Solve 21/54 + 3 0/24 as a fraction

Add 21/54 and 72/24

1^st number: 21/54, 2^nd number: 3 0/24

21/54 + 72/24 is 61/18.

Find the least common denominator or LCM of the two denominators:
LCM of 54 and 24 is 216

Next, find the equivalent fraction of both fractional numbers with denominator 216
For the 1st fraction, since 54 × 4 = 216,
21/54 = 21 × 4/54 × 4 = 84/216
Likewise, for the 2nd fraction, since 24 × 9 = 216,
72/24 = 72 × 9/24 × 9 = 648/216
Add the two like fractions:
84/216 + 648/216 = 84 + 648/216 = 732/216
732/216 simplified gives 61/18
So, 21/54 + 72/24 = 61/18
In mixed form: 37/18

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