Add 18/72 and 90/64
1st number: 18/72, 2nd number: 1 26/64
18/72 + 90/64 is 53/32.
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,
90/64 = 90 × 9/64 × 9 = 810/576 - Add the two like fractions:
144/576 + 810/576 = 144 + 810/576 = 954/576 - 954/576 simplified gives 53/32
- So, 18/72 + 90/64 = 53/32
In mixed form: 121/32
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