Add 90/30 and 27/12
1st number: 3 0/30, 2nd number: 2 3/12
90/30 + 27/12 is 21/4.
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,
27/12 = 27 × 5/12 × 5 = 135/60 - Add the two like fractions:
180/60 + 135/60 = 180 + 135/60 = 315/60 - 315/60 simplified gives 21/4
- So, 90/30 + 27/12 = 21/4
In mixed form: 51/4
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