Add 18/5 and 21/27
1st number: 3 3/5, 2nd number: 21/27
18/5 + 21/27 is 197/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 27 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 5 × 27 = 135,
18/5 = 18 × 27/5 × 27 = 486/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
21/27 = 21 × 5/27 × 5 = 105/135 - Add the two like fractions:
486/135 + 105/135 = 486 + 105/135 = 591/135 - 591/135 simplified gives 197/45
- So, 18/5 + 21/27 = 197/45
In mixed form: 417/45
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