Add 84/5 and 54/90
1st number: 16 4/5, 2nd number: 54/90
84/5 + 54/90 is 87/5.
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,
84/5 = 84 × 18/5 × 18 = 1512/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
54/90 = 54 × 1/90 × 1 = 54/90 - Add the two like fractions:
1512/90 + 54/90 = 1512 + 54/90 = 1566/90 - 1566/90 simplified gives 87/5
- So, 84/5 + 54/90 = 87/5
In mixed form: 172/5
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