Add 20/72 and 12/64
20/72 + 12/64 is 67/144.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 64 is 576
Next, find the equivalent fraction of both fractional numbers with denominator 576 - For the 1st fraction, since 72 × 8 = 576,
20/72 = 20 × 8/72 × 8 = 160/576 - Likewise, for the 2nd fraction, since 64 × 9 = 576,
12/64 = 12 × 9/64 × 9 = 108/576 - Add the two like fractions:
160/576 + 108/576 = 160 + 108/576 = 268/576 - 268/576 simplified gives 67/144
- So, 20/72 + 12/64 = 67/144
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