Add 90/27 and 15/4
1st number: 3 9/27, 2nd number: 3 3/4
90/27 + 15/4 is 85/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 4 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 27 × 4 = 108,
90/27 = 90 × 4/27 × 4 = 360/108 - Likewise, for the 2nd fraction, since 4 × 27 = 108,
15/4 = 15 × 27/4 × 27 = 405/108 - Add the two like fractions:
360/108 + 405/108 = 360 + 405/108 = 765/108 - 765/108 simplified gives 85/12
- So, 90/27 + 15/4 = 85/12
In mixed form: 71/12
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