Add 15/35 and 21/27
15/35 + 21/27 is 76/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 27 is 945
Next, find the equivalent fraction of both fractional numbers with denominator 945 - For the 1st fraction, since 35 × 27 = 945,
15/35 = 15 × 27/35 × 27 = 405/945 - Likewise, for the 2nd fraction, since 27 × 35 = 945,
21/27 = 21 × 35/27 × 35 = 735/945 - Add the two like fractions:
405/945 + 735/945 = 405 + 735/945 = 1140/945 - 1140/945 simplified gives 76/63
- So, 15/35 + 21/27 = 76/63
In mixed form: 113/63
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