Add 15/75 and 30/18
1st number: 15/75, 2nd number: 1 12/18
15/75 + 30/18 is 28/15.
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,
15/75 = 15 × 6/75 × 6 = 90/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
30/18 = 30 × 25/18 × 25 = 750/450 - Add the two like fractions:
90/450 + 750/450 = 90 + 750/450 = 840/450 - 840/450 simplified gives 28/15
- So, 15/75 + 30/18 = 28/15
In mixed form: 113/15
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