Add 28/12 and 9/30
1st number: 2 4/12, 2nd number: 9/30
28/12 + 9/30 is 79/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
28/12 = 28 × 5/12 × 5 = 140/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
9/30 = 9 × 2/30 × 2 = 18/60 - Add the two like fractions:
140/60 + 18/60 = 140 + 18/60 = 158/60 - 158/60 simplified gives 79/30
- So, 28/12 + 9/30 = 79/30
In mixed form: 219/30
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