Add 12/90 and 42/64
12/90 + 42/64 is 379/480.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 64 is 2880
Next, find the equivalent fraction of both fractional numbers with denominator 2880 - For the 1st fraction, since 90 × 32 = 2880,
12/90 = 12 × 32/90 × 32 = 384/2880 - Likewise, for the 2nd fraction, since 64 × 45 = 2880,
42/64 = 42 × 45/64 × 45 = 1890/2880 - Add the two like fractions:
384/2880 + 1890/2880 = 384 + 1890/2880 = 2274/2880 - 2274/2880 simplified gives 379/480
- So, 12/90 + 42/64 = 379/480
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