Add 28/12 and 30/72
1st number: 2 4/12, 2nd number: 30/72
28/12 + 30/72 is 11/4.
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,
28/12 = 28 × 6/12 × 6 = 168/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
30/72 = 30 × 1/72 × 1 = 30/72 - Add the two like fractions:
168/72 + 30/72 = 168 + 30/72 = 198/72 - 198/72 simplified gives 11/4
- So, 28/12 + 30/72 = 11/4
In mixed form: 23/4
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