Add 81/3 and 90/5
1st number: 27 0/3, 2nd number: 18 0/5
81/3 + 90/5 is 45/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 5 is 15
Next, find the equivalent fraction of both fractional numbers with denominator 15 - For the 1st fraction, since 3 × 5 = 15,
81/3 = 81 × 5/3 × 5 = 405/15 - Likewise, for the 2nd fraction, since 5 × 3 = 15,
90/5 = 90 × 3/5 × 3 = 270/15 - Add the two like fractions:
405/15 + 270/15 = 405 + 270/15 = 675/15 - 675/15 simplified gives 45/1
- So, 81/3 + 90/5 = 45/1
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