Add 28/54 and 5/90
28/54 + 5/90 is 31/54.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 90 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
28/54 = 28 × 5/54 × 5 = 140/270 - Likewise, for the 2nd fraction, since 90 × 3 = 270,
5/90 = 5 × 3/90 × 3 = 15/270 - Add the two like fractions:
140/270 + 15/270 = 140 + 15/270 = 155/270 - 155/270 simplified gives 31/54
- So, 28/54 + 5/90 = 31/54
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