Add 28/90 and 30/54
28/90 + 30/54 is 13/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 90 × 3 = 270,
28/90 = 28 × 3/90 × 3 = 84/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
30/54 = 30 × 5/54 × 5 = 150/270 - Add the two like fractions:
84/270 + 150/270 = 84 + 150/270 = 234/270 - 234/270 simplified gives 13/15
- So, 28/90 + 30/54 = 13/15
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