Add 21/18 and 21/64
1st number: 1 3/18, 2nd number: 21/64
21/18 + 21/64 is 287/192.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 64 is 576
Next, find the equivalent fraction of both fractional numbers with denominator 576 - For the 1st fraction, since 18 × 32 = 576,
21/18 = 21 × 32/18 × 32 = 672/576 - Likewise, for the 2nd fraction, since 64 × 9 = 576,
21/64 = 21 × 9/64 × 9 = 189/576 - Add the two like fractions:
672/576 + 189/576 = 672 + 189/576 = 861/576 - 861/576 simplified gives 287/192
- So, 21/18 + 21/64 = 287/192
In mixed form: 195/192
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