Add 40/20 and 90/54
1st number: 2 0/20, 2nd number: 1 36/54
40/20 + 90/54 is 11/3.
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,
90/54 = 90 × 10/54 × 10 = 900/540 - Add the two like fractions:
1080/540 + 900/540 = 1080 + 900/540 = 1980/540 - 1980/540 simplified gives 11/3
- So, 40/20 + 90/54 = 11/3
In mixed form: 32/3
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