Add 15/30 and 45/18
1st number: 15/30, 2nd number: 2 9/18
15/30 + 45/18 is 3/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
15/30 = 15 × 3/30 × 3 = 45/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
45/18 = 45 × 5/18 × 5 = 225/90 - Add the two like fractions:
45/90 + 225/90 = 45 + 225/90 = 270/90 - 270/90 simplified gives 3/1
- So, 15/30 + 45/18 = 3/1
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