Add 90/27 and 81/4
1st number: 3 9/27, 2nd number: 20 1/4
90/27 + 81/4 is 283/12.
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,
81/4 = 81 × 27/4 × 27 = 2187/108 - Add the two like fractions:
360/108 + 2187/108 = 360 + 2187/108 = 2547/108 - 2547/108 simplified gives 283/12
- So, 90/27 + 81/4 = 283/12
In mixed form: 237/12
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