Add 18/30 and 54/15
1st number: 18/30, 2nd number: 3 9/15
18/30 + 54/15 is 21/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
18/30 = 18 × 1/30 × 1 = 18/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
54/15 = 54 × 2/15 × 2 = 108/30 - Add the two like fractions:
18/30 + 108/30 = 18 + 108/30 = 126/30 - 126/30 simplified gives 21/5
- So, 18/30 + 54/15 = 21/5
In mixed form: 41/5
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