Add 20/75 and 42/64
20/75 + 42/64 is 443/480.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 64 is 4800
Next, find the equivalent fraction of both fractional numbers with denominator 4800 - For the 1st fraction, since 75 × 64 = 4800,
20/75 = 20 × 64/75 × 64 = 1280/4800 - Likewise, for the 2nd fraction, since 64 × 75 = 4800,
42/64 = 42 × 75/64 × 75 = 3150/4800 - Add the two like fractions:
1280/4800 + 3150/4800 = 1280 + 3150/4800 = 4430/4800 - 4430/4800 simplified gives 443/480
- So, 20/75 + 42/64 = 443/480
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