Add 84/18 and 30/90
1st number: 4 12/18, 2nd number: 30/90
84/18 + 30/90 is 5/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
84/18 = 84 × 5/18 × 5 = 420/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
30/90 = 30 × 1/90 × 1 = 30/90 - Add the two like fractions:
420/90 + 30/90 = 420 + 30/90 = 450/90 - 450/90 simplified gives 5/1
- So, 84/18 + 30/90 = 5/1
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