Add 30/12 and 21/72
1st number: 2 6/12, 2nd number: 21/72
30/12 + 21/72 is 67/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 12 × 6 = 72,
30/12 = 30 × 6/12 × 6 = 180/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
21/72 = 21 × 1/72 × 1 = 21/72 - Add the two like fractions:
180/72 + 21/72 = 180 + 21/72 = 201/72 - 201/72 simplified gives 67/24
- So, 30/12 + 21/72 = 67/24
In mixed form: 219/24
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