Add 12/30 and 81/7
1st number: 12/30, 2nd number: 11 4/7
12/30 + 81/7 is 419/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 7 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
12/30 = 12 × 7/30 × 7 = 84/210 - Likewise, for the 2nd fraction, since 7 × 30 = 210,
81/7 = 81 × 30/7 × 30 = 2430/210 - Add the two like fractions:
84/210 + 2430/210 = 84 + 2430/210 = 2514/210 - 2514/210 simplified gives 419/35
- So, 12/30 + 81/7 = 419/35
In mixed form: 1134/35
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