Add 72/30 and 27/18
1st number: 2 12/30, 2nd number: 1 9/18
72/30 + 27/18 is 39/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
72/30 = 72 × 3/30 × 3 = 216/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
27/18 = 27 × 5/18 × 5 = 135/90 - Add the two like fractions:
216/90 + 135/90 = 216 + 135/90 = 351/90 - 351/90 simplified gives 39/10
- So, 72/30 + 27/18 = 39/10
In mixed form: 39/10
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