Add 90/27 and 80/15
1st number: 3 9/27, 2nd number: 5 5/15
90/27 + 80/15 is 26/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 15 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 27 × 5 = 135,
90/27 = 90 × 5/27 × 5 = 450/135 - Likewise, for the 2nd fraction, since 15 × 9 = 135,
80/15 = 80 × 9/15 × 9 = 720/135 - Add the two like fractions:
450/135 + 720/135 = 450 + 720/135 = 1170/135 - 1170/135 simplified gives 26/3
- So, 90/27 + 80/15 = 26/3
In mixed form: 82/3
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