Add 90/75 and 12/18
1st number: 1 15/75, 2nd number: 12/18
90/75 + 12/18 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,
90/75 = 90 × 6/75 × 6 = 540/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
12/18 = 12 × 25/18 × 25 = 300/450 - Add the two like fractions:
540/450 + 300/450 = 540 + 300/450 = 840/450 - 840/450 simplified gives 28/15
- So, 90/75 + 12/18 = 28/15
In mixed form: 113/15
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