Add 81/27 and 90/8
1st number: 3 0/27, 2nd number: 11 2/8
81/27 + 90/8 is 57/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 8 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 27 × 8 = 216,
81/27 = 81 × 8/27 × 8 = 648/216 - Likewise, for the 2nd fraction, since 8 × 27 = 216,
90/8 = 90 × 27/8 × 27 = 2430/216 - Add the two like fractions:
648/216 + 2430/216 = 648 + 2430/216 = 3078/216 - 3078/216 simplified gives 57/4
- So, 81/27 + 90/8 = 57/4
In mixed form: 141/4
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