Add 30/12 and 81/28
1st number: 2 6/12, 2nd number: 2 25/28
30/12 + 81/28 is 151/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
30/12 = 30 × 7/12 × 7 = 210/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
81/28 = 81 × 3/28 × 3 = 243/84 - Add the two like fractions:
210/84 + 243/84 = 210 + 243/84 = 453/84 - 453/84 simplified gives 151/28
- So, 30/12 + 81/28 = 151/28
In mixed form: 511/28
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