Add 30/18 and 75/90
1st number: 1 12/18, 2nd number: 75/90
30/18 + 75/90 is 5/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
30/18 = 30 × 5/18 × 5 = 150/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
75/90 = 75 × 1/90 × 1 = 75/90 - Add the two like fractions:
150/90 + 75/90 = 150 + 75/90 = 225/90 - 225/90 simplified gives 5/2
- So, 30/18 + 75/90 = 5/2
In mixed form: 21/2
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