Add 21/8 and 25/54, Solve 2 5/8 + 25/54 as a fraction

Add 21/8 and 25/54

1^st number: 2 5/8, 2^nd number: 25/54

21/8 + 25/54 is 667/216.

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

Next, find the equivalent fraction of both fractional numbers with denominator 216
For the 1st fraction, since 8 × 27 = 216,
21/8 = 21 × 27/8 × 27 = 567/216
Likewise, for the 2nd fraction, since 54 × 4 = 216,
25/54 = 25 × 4/54 × 4 = 100/216
Add the two like fractions:
567/216 + 100/216 = 567 + 100/216 = 667/216
So, 21/8 + 25/54 = 667/216
In mixed form: 319/216

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