Add 1/64 and 20/90
1/64 + 20/90 is 137/576.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 64 and 90 is 2880
Next, find the equivalent fraction of both fractional numbers with denominator 2880 - For the 1st fraction, since 64 × 45 = 2880,
1/64 = 1 × 45/64 × 45 = 45/2880 - Likewise, for the 2nd fraction, since 90 × 32 = 2880,
20/90 = 20 × 32/90 × 32 = 640/2880 - Add the two like fractions:
45/2880 + 640/2880 = 45 + 640/2880 = 685/2880 - 685/2880 simplified gives 137/576
- So, 1/64 + 20/90 = 137/576
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