Add 12/5 and 9/90
1st number: 2 2/5, 2nd number: 9/90
12/5 + 9/90 is 5/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 5 × 18 = 90,
12/5 = 12 × 18/5 × 18 = 216/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
9/90 = 9 × 1/90 × 1 = 9/90 - Add the two like fractions:
216/90 + 9/90 = 216 + 9/90 = 225/90 - 225/90 simplified gives 5/2
- So, 12/5 + 9/90 = 5/2
In mixed form: 21/2
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