Add 72/12 and 81/30
1st number: 6 0/12, 2nd number: 2 21/30
72/12 + 81/30 is 87/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
72/12 = 72 × 5/12 × 5 = 360/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
81/30 = 81 × 2/30 × 2 = 162/60 - Add the two like fractions:
360/60 + 162/60 = 360 + 162/60 = 522/60 - 522/60 simplified gives 87/10
- So, 72/12 + 81/30 = 87/10
In mixed form: 87/10
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