Add 4/42 and 20/64
4/42 + 20/64 is 137/336.
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,
4/42 = 4 × 32/42 × 32 = 128/1344 - Likewise, for the 2nd fraction, since 64 × 21 = 1344,
20/64 = 20 × 21/64 × 21 = 420/1344 - Add the two like fractions:
128/1344 + 420/1344 = 128 + 420/1344 = 548/1344 - 548/1344 simplified gives 137/336
- So, 4/42 + 20/64 = 137/336
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