Add 20/45 and 27/64
20/45 + 27/64 is 499/576.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 64 is 2880
Next, find the equivalent fraction of both fractional numbers with denominator 2880 - For the 1st fraction, since 45 × 64 = 2880,
20/45 = 20 × 64/45 × 64 = 1280/2880 - Likewise, for the 2nd fraction, since 64 × 45 = 2880,
27/64 = 27 × 45/64 × 45 = 1215/2880 - Add the two like fractions:
1280/2880 + 1215/2880 = 1280 + 1215/2880 = 2495/2880 - 2495/2880 simplified gives 499/576
- So, 20/45 + 27/64 = 499/576
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