Add 30/28 and 54/12
1st number: 1 2/28, 2nd number: 4 6/12
30/28 + 54/12 is 39/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 28 × 3 = 84,
30/28 = 30 × 3/28 × 3 = 90/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
54/12 = 54 × 7/12 × 7 = 378/84 - Add the two like fractions:
90/84 + 378/84 = 90 + 378/84 = 468/84 - 468/84 simplified gives 39/7
- So, 30/28 + 54/12 = 39/7
In mixed form: 54/7
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