Add 45/30 and 27/12
1st number: 1 15/30, 2nd number: 2 3/12
45/30 + 27/12 is 15/4.
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,
45/30 = 45 × 2/30 × 2 = 90/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
27/12 = 27 × 5/12 × 5 = 135/60 - Add the two like fractions:
90/60 + 135/60 = 90 + 135/60 = 225/60 - 225/60 simplified gives 15/4
- So, 45/30 + 27/12 = 15/4
In mixed form: 33/4
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