Add 9/18 and 45/15
1st number: 9/18, 2nd number: 3 0/15
9/18 + 45/15 is 7/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 15 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
9/18 = 9 × 5/18 × 5 = 45/90 - Likewise, for the 2nd fraction, since 15 × 6 = 90,
45/15 = 45 × 6/15 × 6 = 270/90 - Add the two like fractions:
45/90 + 270/90 = 45 + 270/90 = 315/90 - 315/90 simplified gives 7/2
- So, 9/18 + 45/15 = 7/2
In mixed form: 31/2
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