Add 18/42 and 90/84
1st number: 18/42, 2nd number: 1 6/84
18/42 + 90/84 is 3/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 42 × 2 = 84,
18/42 = 18 × 2/42 × 2 = 36/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
90/84 = 90 × 1/84 × 1 = 90/84 - Add the two like fractions:
36/84 + 90/84 = 36 + 90/84 = 126/84 - 126/84 simplified gives 3/2
- So, 18/42 + 90/84 = 3/2
In mixed form: 11/2
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