Add 12/35 and 36/21
1st number: 12/35, 2nd number: 1 15/21
12/35 + 36/21 is 72/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 21 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 35 × 3 = 105,
12/35 = 12 × 3/35 × 3 = 36/105 - Likewise, for the 2nd fraction, since 21 × 5 = 105,
36/21 = 36 × 5/21 × 5 = 180/105 - Add the two like fractions:
36/105 + 180/105 = 36 + 180/105 = 216/105 - 216/105 simplified gives 72/35
- So, 12/35 + 36/21 = 72/35
In mixed form: 22/35
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