Add 21/27 and 90/8
1st number: 21/27, 2nd number: 11 2/8
21/27 + 90/8 is 433/36.
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,
21/27 = 21 × 8/27 × 8 = 168/216 - Likewise, for the 2nd fraction, since 8 × 27 = 216,
90/8 = 90 × 27/8 × 27 = 2430/216 - Add the two like fractions:
168/216 + 2430/216 = 168 + 2430/216 = 2598/216 - 2598/216 simplified gives 433/36
- So, 21/27 + 90/8 = 433/36
In mixed form: 121/36
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