Add 84/15 and 12/90
1st number: 5 9/15, 2nd number: 12/90
84/15 + 12/90 is 86/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 15 × 6 = 90,
84/15 = 84 × 6/15 × 6 = 504/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
12/90 = 12 × 1/90 × 1 = 12/90 - Add the two like fractions:
504/90 + 12/90 = 504 + 12/90 = 516/90 - 516/90 simplified gives 86/15
- So, 84/15 + 12/90 = 86/15
In mixed form: 511/15
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