Add 45/75 and 12/18
45/75 + 12/18 is 19/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 18 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 75 × 6 = 450,
45/75 = 45 × 6/75 × 6 = 270/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
12/18 = 12 × 25/18 × 25 = 300/450 - Add the two like fractions:
270/450 + 300/450 = 270 + 300/450 = 570/450 - 570/450 simplified gives 19/15
- So, 45/75 + 12/18 = 19/15
In mixed form: 14/15
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