Add 27/4 and 12/30
1st number: 6 3/4, 2nd number: 12/30
27/4 + 12/30 is 143/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 4 × 15 = 60,
27/4 = 27 × 15/4 × 15 = 405/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
12/30 = 12 × 2/30 × 2 = 24/60 - Add the two like fractions:
405/60 + 24/60 = 405 + 24/60 = 429/60 - 429/60 simplified gives 143/20
- So, 27/4 + 12/30 = 143/20
In mixed form: 73/20
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