Add 15/30 and 28/54
15/30 + 28/54 is 55/54.
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,
15/30 = 15 × 9/30 × 9 = 135/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
28/54 = 28 × 5/54 × 5 = 140/270 - Add the two like fractions:
135/270 + 140/270 = 135 + 140/270 = 275/270 - 275/270 simplified gives 55/54
- So, 15/30 + 28/54 = 55/54
In mixed form: 11/54
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