Add 21/64 and 25/36
21/64 + 25/36 is 589/576.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 64 and 36 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 36 × 16 = 576,
25/36 = 25 × 16/36 × 16 = 400/576 - Add the two like fractions:
189/576 + 400/576 = 189 + 400/576 = 589/576 - So, 21/64 + 25/36 = 589/576
In mixed form: 113/576
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