Add 21/42 and 4/64
21/42 + 4/64 is 9/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 64 is 1344
Next, find the equivalent fraction of both fractional numbers with denominator 1344 - For the 1st fraction, since 42 × 32 = 1344,
21/42 = 21 × 32/42 × 32 = 672/1344 - Likewise, for the 2nd fraction, since 64 × 21 = 1344,
4/64 = 4 × 21/64 × 21 = 84/1344 - Add the two like fractions:
672/1344 + 84/1344 = 672 + 84/1344 = 756/1344 - 756/1344 simplified gives 9/16
- So, 21/42 + 4/64 = 9/16
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