Add 45/9 and 40/18
1st number: 5 0/9, 2nd number: 2 4/18
45/9 + 40/18 is 65/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 18 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 9 × 2 = 18,
45/9 = 45 × 2/9 × 2 = 90/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
40/18 = 40 × 1/18 × 1 = 40/18 - Add the two like fractions:
90/18 + 40/18 = 90 + 40/18 = 130/18 - 130/18 simplified gives 65/9
- So, 45/9 + 40/18 = 65/9
In mixed form: 72/9
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