Add 15/5 and 90/27
1st number: 3 0/5, 2nd number: 3 9/27
15/5 + 90/27 is 19/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 27 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 5 × 27 = 135,
15/5 = 15 × 27/5 × 27 = 405/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
90/27 = 90 × 5/27 × 5 = 450/135 - Add the two like fractions:
405/135 + 450/135 = 405 + 450/135 = 855/135 - 855/135 simplified gives 19/3
- So, 15/5 + 90/27 = 19/3
In mixed form: 61/3
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