Add 12/15 and 28/35
12/15 + 28/35 is 8/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 35 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 15 × 7 = 105,
12/15 = 12 × 7/15 × 7 = 84/105 - Likewise, for the 2nd fraction, since 35 × 3 = 105,
28/35 = 28 × 3/35 × 3 = 84/105 - Add the two like fractions:
84/105 + 84/105 = 84 + 84/105 = 168/105 - 168/105 simplified gives 8/5
- So, 12/15 + 28/35 = 8/5
In mixed form: 13/5
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