Add 18/45 and 54/15
1st number: 18/45, 2nd number: 3 9/15
18/45 + 54/15 is 4/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 15 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 45 × 1 = 45,
18/45 = 18 × 1/45 × 1 = 18/45 - Likewise, for the 2nd fraction, since 15 × 3 = 45,
54/15 = 54 × 3/15 × 3 = 162/45 - Add the two like fractions:
18/45 + 162/45 = 18 + 162/45 = 180/45 - 180/45 simplified gives 4/1
- So, 18/45 + 54/15 = 4/1
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