Add 90/45 and 28/54
1st number: 2 0/45, 2nd number: 28/54
90/45 + 28/54 is 68/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 45 × 6 = 270,
90/45 = 90 × 6/45 × 6 = 540/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
28/54 = 28 × 5/54 × 5 = 140/270 - Add the two like fractions:
540/270 + 140/270 = 540 + 140/270 = 680/270 - 680/270 simplified gives 68/27
- So, 90/45 + 28/54 = 68/27
In mixed form: 214/27
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