Add 15/90 and 84/36
1st number: 15/90, 2nd number: 2 12/36
15/90 + 84/36 is 5/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
15/90 = 15 × 2/90 × 2 = 30/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
84/36 = 84 × 5/36 × 5 = 420/180 - Add the two like fractions:
30/180 + 420/180 = 30 + 420/180 = 450/180 - 450/180 simplified gives 5/2
- So, 15/90 + 84/36 = 5/2
In mixed form: 21/2
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