Add 90/27 and 12/5
1st number: 3 9/27, 2nd number: 2 2/5
90/27 + 12/5 is 86/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 5 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 5 × 27 = 135,
12/5 = 12 × 27/5 × 27 = 324/135 - Add the two like fractions:
450/135 + 324/135 = 450 + 324/135 = 774/135 - 774/135 simplified gives 86/15
- So, 90/27 + 12/5 = 86/15
In mixed form: 511/15
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