Add 35/21 and 15/18
1st number: 1 14/21, 2nd number: 15/18
35/21 + 15/18 is 5/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 21 × 6 = 126,
35/21 = 35 × 6/21 × 6 = 210/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
15/18 = 15 × 7/18 × 7 = 105/126 - Add the two like fractions:
210/126 + 105/126 = 210 + 105/126 = 315/126 - 315/126 simplified gives 5/2
- So, 35/21 + 15/18 = 5/2
In mixed form: 21/2
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