Add 12/30 and 75/54
1st number: 12/30, 2nd number: 1 21/54
12/30 + 75/54 is 161/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 30 × 9 = 270,
12/30 = 12 × 9/30 × 9 = 108/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
75/54 = 75 × 5/54 × 5 = 375/270 - Add the two like fractions:
108/270 + 375/270 = 108 + 375/270 = 483/270 - 483/270 simplified gives 161/90
- So, 12/30 + 75/54 = 161/90
In mixed form: 171/90
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