Add 81/18 and 36/5
1st number: 4 9/18, 2nd number: 7 1/5
81/18 + 36/5 is 117/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 5 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
81/18 = 81 × 5/18 × 5 = 405/90 - Likewise, for the 2nd fraction, since 5 × 18 = 90,
36/5 = 36 × 18/5 × 18 = 648/90 - Add the two like fractions:
405/90 + 648/90 = 405 + 648/90 = 1053/90 - 1053/90 simplified gives 117/10
- So, 81/18 + 36/5 = 117/10
In mixed form: 117/10
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