Add 36/64 and 21/90
36/64 + 21/90 is 191/240.
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,
36/64 = 36 × 45/64 × 45 = 1620/2880 - Likewise, for the 2nd fraction, since 90 × 32 = 2880,
21/90 = 21 × 32/90 × 32 = 672/2880 - Add the two like fractions:
1620/2880 + 672/2880 = 1620 + 672/2880 = 2292/2880 - 2292/2880 simplified gives 191/240
- So, 36/64 + 21/90 = 191/240
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