Add 28/36 and 12/15
28/36 + 12/15 is 71/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 15 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
28/36 = 28 × 5/36 × 5 = 140/180 - Likewise, for the 2nd fraction, since 15 × 12 = 180,
12/15 = 12 × 12/15 × 12 = 144/180 - Add the two like fractions:
140/180 + 144/180 = 140 + 144/180 = 284/180 - 284/180 simplified gives 71/45
- So, 28/36 + 12/15 = 71/45
In mixed form: 126/45
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