Add 90/30 and 18/12
1st number: 3 0/30, 2nd number: 1 6/12
90/30 + 18/12 is 9/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
90/30 = 90 × 2/30 × 2 = 180/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
18/12 = 18 × 5/12 × 5 = 90/60 - Add the two like fractions:
180/60 + 90/60 = 180 + 90/60 = 270/60 - 270/60 simplified gives 9/2
- So, 90/30 + 18/12 = 9/2
In mixed form: 41/2
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