Add 35/21 and 18/5
1st number: 1 14/21, 2nd number: 3 3/5
35/21 + 18/5 is 79/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 5 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 21 × 5 = 105,
35/21 = 35 × 5/21 × 5 = 175/105 - Likewise, for the 2nd fraction, since 5 × 21 = 105,
18/5 = 18 × 21/5 × 21 = 378/105 - Add the two like fractions:
175/105 + 378/105 = 175 + 378/105 = 553/105 - 553/105 simplified gives 79/15
- So, 35/21 + 18/5 = 79/15
In mixed form: 54/15
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