Add 18/72 and 45/16
1st number: 18/72, 2nd number: 2 13/16
18/72 + 45/16 is 49/16.
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,
45/16 = 45 × 9/16 × 9 = 405/144 - Add the two like fractions:
36/144 + 405/144 = 36 + 405/144 = 441/144 - 441/144 simplified gives 49/16
- So, 18/72 + 45/16 = 49/16
In mixed form: 31/16
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