Add 25/21 and 8/54, Solve 1 4/21 + 8/54 as a fraction

Add 25/21 and 8/54

1^st number: 1 4/21, 2^nd number: 8/54

25/21 + 8/54 is 253/189.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 54 is 378

Next, find the equivalent fraction of both fractional numbers with denominator 378
For the 1st fraction, since 21 × 18 = 378,
25/21 = 25 × 18/21 × 18 = 450/378
Likewise, for the 2nd fraction, since 54 × 7 = 378,
8/54 = 8 × 7/54 × 7 = 56/378
Add the two like fractions:
450/378 + 56/378 = 450 + 56/378 = 506/378
506/378 simplified gives 253/189
So, 25/21 + 8/54 = 253/189
In mixed form: 164/189

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