Add 18/27 and 21/8
1st number: 18/27, 2nd number: 2 5/8
18/27 + 21/8 is 79/24.
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,
18/27 = 18 × 8/27 × 8 = 144/216 - Likewise, for the 2nd fraction, since 8 × 27 = 216,
21/8 = 21 × 27/8 × 27 = 567/216 - Add the two like fractions:
144/216 + 567/216 = 144 + 567/216 = 711/216 - 711/216 simplified gives 79/24
- So, 18/27 + 21/8 = 79/24
In mixed form: 37/24
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