Add 27/35 and 2/21
27/35 + 2/21 is 13/15.
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,
27/35 = 27 × 3/35 × 3 = 81/105 - Likewise, for the 2nd fraction, since 21 × 5 = 105,
2/21 = 2 × 5/21 × 5 = 10/105 - Add the two like fractions:
81/105 + 10/105 = 81 + 10/105 = 91/105 - 91/105 simplified gives 13/15
- So, 27/35 + 2/21 = 13/15
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