Add 20/64 and 42/27
1st number: 20/64, 2nd number: 1 15/27
20/64 + 42/27 is 269/144.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 64 and 27 is 1728
Next, find the equivalent fraction of both fractional numbers with denominator 1728 - For the 1st fraction, since 64 × 27 = 1728,
20/64 = 20 × 27/64 × 27 = 540/1728 - Likewise, for the 2nd fraction, since 27 × 64 = 1728,
42/27 = 42 × 64/27 × 64 = 2688/1728 - Add the two like fractions:
540/1728 + 2688/1728 = 540 + 2688/1728 = 3228/1728 - 3228/1728 simplified gives 269/144
- So, 20/64 + 42/27 = 269/144
In mixed form: 1125/144
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