Add 18/72 and 80/64
1st number: 18/72, 2nd number: 1 16/64
18/72 + 80/64 is 3/2.
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,
18/72 = 18 × 8/72 × 8 = 144/576 - Likewise, for the 2nd fraction, since 64 × 9 = 576,
80/64 = 80 × 9/64 × 9 = 720/576 - Add the two like fractions:
144/576 + 720/576 = 144 + 720/576 = 864/576 - 864/576 simplified gives 3/2
- So, 18/72 + 80/64 = 3/2
In mixed form: 11/2
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