Add 21/64 and 25/18, Solve 21/64 + 1 7/18 as a fraction

Add 21/64 and 25/18

1^st number: 21/64, 2^nd number: 1 7/18

21/64 + 25/18 is 989/576.

Find the least common denominator or LCM of the two denominators:
LCM of 64 and 18 is 576

Next, find the equivalent fraction of both fractional numbers with denominator 576
For the 1st fraction, since 64 × 9 = 576,
21/64 = 21 × 9/64 × 9 = 189/576
Likewise, for the 2nd fraction, since 18 × 32 = 576,
25/18 = 25 × 32/18 × 32 = 800/576
Add the two like fractions:
189/576 + 800/576 = 189 + 800/576 = 989/576
So, 21/64 + 25/18 = 989/576
In mixed form: 1413/576

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