Add 18/30 and 42/54
18/30 + 42/54 is 62/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 30 × 9 = 270,
18/30 = 18 × 9/30 × 9 = 162/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
42/54 = 42 × 5/54 × 5 = 210/270 - Add the two like fractions:
162/270 + 210/270 = 162 + 210/270 = 372/270 - 372/270 simplified gives 62/45
- So, 18/30 + 42/54 = 62/45
In mixed form: 117/45
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