Add 84/18 and 9/45
1st number: 4 12/18, 2nd number: 9/45
84/18 + 9/45 is 73/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
84/18 = 84 × 5/18 × 5 = 420/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
9/45 = 9 × 2/45 × 2 = 18/90 - Add the two like fractions:
420/90 + 18/90 = 420 + 18/90 = 438/90 - 438/90 simplified gives 73/15
- So, 84/18 + 9/45 = 73/15
In mixed form: 413/15
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