Add 45/18 and 28/15
1st number: 2 9/18, 2nd number: 1 13/15
45/18 + 28/15 is 131/30.
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,
45/18 = 45 × 5/18 × 5 = 225/90 - Likewise, for the 2nd fraction, since 15 × 6 = 90,
28/15 = 28 × 6/15 × 6 = 168/90 - Add the two like fractions:
225/90 + 168/90 = 225 + 168/90 = 393/90 - 393/90 simplified gives 131/30
- So, 45/18 + 28/15 = 131/30
In mixed form: 411/30
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