Add 84/54 and 15/90
1st number: 1 30/54, 2nd number: 15/90
84/54 + 15/90 is 31/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 90 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
84/54 = 84 × 5/54 × 5 = 420/270 - Likewise, for the 2nd fraction, since 90 × 3 = 270,
15/90 = 15 × 3/90 × 3 = 45/270 - Add the two like fractions:
420/270 + 45/270 = 420 + 45/270 = 465/270 - 465/270 simplified gives 31/18
- So, 84/54 + 15/90 = 31/18
In mixed form: 113/18
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