Add 28/12 and 42/30
1st number: 2 4/12, 2nd number: 1 12/30
28/12 + 42/30 is 56/15.
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,
42/30 = 42 × 2/30 × 2 = 84/60 - Add the two like fractions:
140/60 + 84/60 = 140 + 84/60 = 224/60 - 224/60 simplified gives 56/15
- So, 28/12 + 42/30 = 56/15
In mixed form: 311/15
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