Add 28/64 and 9/90
28/64 + 9/90 is 43/80.
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,
28/64 = 28 × 45/64 × 45 = 1260/2880 - Likewise, for the 2nd fraction, since 90 × 32 = 2880,
9/90 = 9 × 32/90 × 32 = 288/2880 - Add the two like fractions:
1260/2880 + 288/2880 = 1260 + 288/2880 = 1548/2880 - 1548/2880 simplified gives 43/80
- So, 28/64 + 9/90 = 43/80
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