Add 40/20 and 18/54
1st number: 2 0/20, 2nd number: 18/54
40/20 + 18/54 is 7/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 54 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 20 × 27 = 540,
40/20 = 40 × 27/20 × 27 = 1080/540 - Likewise, for the 2nd fraction, since 54 × 10 = 540,
18/54 = 18 × 10/54 × 10 = 180/540 - Add the two like fractions:
1080/540 + 180/540 = 1080 + 180/540 = 1260/540 - 1260/540 simplified gives 7/3
- So, 40/20 + 18/54 = 7/3
In mixed form: 21/3
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