Add 90/27 and 21/8
1st number: 3 9/27, 2nd number: 2 5/8
90/27 + 21/8 is 143/24.
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,
90/27 = 90 × 8/27 × 8 = 720/216 - Likewise, for the 2nd fraction, since 8 × 27 = 216,
21/8 = 21 × 27/8 × 27 = 567/216 - Add the two like fractions:
720/216 + 567/216 = 720 + 567/216 = 1287/216 - 1287/216 simplified gives 143/24
- So, 90/27 + 21/8 = 143/24
In mixed form: 523/24
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