Add 27/21 and 18/35
1st number: 1 6/21, 2nd number: 18/35
27/21 + 18/35 is 9/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 35 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 21 × 5 = 105,
27/21 = 27 × 5/21 × 5 = 135/105 - Likewise, for the 2nd fraction, since 35 × 3 = 105,
18/35 = 18 × 3/35 × 3 = 54/105 - Add the two like fractions:
135/105 + 54/105 = 135 + 54/105 = 189/105 - 189/105 simplified gives 9/5
- So, 27/21 + 18/35 = 9/5
In mixed form: 14/5
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