Add 27/15 and 21/35
1st number: 1 12/15, 2nd number: 21/35
27/15 + 21/35 is 12/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 35 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 15 × 7 = 105,
27/15 = 27 × 7/15 × 7 = 189/105 - Likewise, for the 2nd fraction, since 35 × 3 = 105,
21/35 = 21 × 3/35 × 3 = 63/105 - Add the two like fractions:
189/105 + 63/105 = 189 + 63/105 = 252/105 - 252/105 simplified gives 12/5
- So, 27/15 + 21/35 = 12/5
In mixed form: 22/5
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