Add 18/27 and 21/5
1st number: 18/27, 2nd number: 4 1/5
18/27 + 21/5 is 73/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 5 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 27 × 5 = 135,
18/27 = 18 × 5/27 × 5 = 90/135 - Likewise, for the 2nd fraction, since 5 × 27 = 135,
21/5 = 21 × 27/5 × 27 = 567/135 - Add the two like fractions:
90/135 + 567/135 = 90 + 567/135 = 657/135 - 657/135 simplified gives 73/15
- So, 18/27 + 21/5 = 73/15
In mixed form: 413/15
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