Add 18/72 and 20/16
1st number: 18/72, 2nd number: 1 4/16
18/72 + 20/16 is 3/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 16 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 72 × 2 = 144,
18/72 = 18 × 2/72 × 2 = 36/144 - Likewise, for the 2nd fraction, since 16 × 9 = 144,
20/16 = 20 × 9/16 × 9 = 180/144 - Add the two like fractions:
36/144 + 180/144 = 36 + 180/144 = 216/144 - 216/144 simplified gives 3/2
- So, 18/72 + 20/16 = 3/2
In mixed form: 11/2
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