Add 18/54 and 84/45
1st number: 18/54, 2nd number: 1 39/45
18/54 + 84/45 is 11/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 45 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
18/54 = 18 × 5/54 × 5 = 90/270 - Likewise, for the 2nd fraction, since 45 × 6 = 270,
84/45 = 84 × 6/45 × 6 = 504/270 - Add the two like fractions:
90/270 + 504/270 = 90 + 504/270 = 594/270 - 594/270 simplified gives 11/5
- So, 18/54 + 84/45 = 11/5
In mixed form: 21/5
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