Add 45/18 and 12/16
1st number: 2 9/18, 2nd number: 12/16
45/18 + 12/16 is 13/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 16 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 18 × 8 = 144,
45/18 = 45 × 8/18 × 8 = 360/144 - Likewise, for the 2nd fraction, since 16 × 9 = 144,
12/16 = 12 × 9/16 × 9 = 108/144 - Add the two like fractions:
360/144 + 108/144 = 360 + 108/144 = 468/144 - 468/144 simplified gives 13/4
- So, 45/18 + 12/16 = 13/4
In mixed form: 31/4
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