Add 18/54 and 90/45
1st number: 18/54, 2nd number: 2 0/45
18/54 + 90/45 is 7/3.
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,
90/45 = 90 × 6/45 × 6 = 540/270 - Add the two like fractions:
90/270 + 540/270 = 90 + 540/270 = 630/270 - 630/270 simplified gives 7/3
- So, 18/54 + 90/45 = 7/3
In mixed form: 21/3
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