Add 30/54 and 21/8, Solve 30/54 + 2 5/8 as a fraction

Add 30/54 and 21/8

1^st number: 30/54, 2^nd number: 2 5/8

30/54 + 21/8 is 229/72.

Find the least common denominator or LCM of the two denominators:
LCM of 54 and 8 is 216

Next, find the equivalent fraction of both fractional numbers with denominator 216
For the 1st fraction, since 54 × 4 = 216,
30/54 = 30 × 4/54 × 4 = 120/216
Likewise, for the 2nd fraction, since 8 × 27 = 216,
21/8 = 21 × 27/8 × 27 = 567/216
Add the two like fractions:
120/216 + 567/216 = 120 + 567/216 = 687/216
687/216 simplified gives 229/72
So, 30/54 + 21/8 = 229/72
In mixed form: 313/72

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