Add 21/75 and 20/27
21/75 + 20/27 is 689/675.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 27 is 675
Next, find the equivalent fraction of both fractional numbers with denominator 675 - For the 1st fraction, since 75 × 9 = 675,
21/75 = 21 × 9/75 × 9 = 189/675 - Likewise, for the 2nd fraction, since 27 × 25 = 675,
20/27 = 20 × 25/27 × 25 = 500/675 - Add the two like fractions:
189/675 + 500/675 = 189 + 500/675 = 689/675 - So, 21/75 + 20/27 = 689/675
In mixed form: 114/675
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