Add 21/36 and 4/6
21/36 + 4/6 is 5/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 6 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 36 × 1 = 36,
21/36 = 21 × 1/36 × 1 = 21/36 - Likewise, for the 2nd fraction, since 6 × 6 = 36,
4/6 = 4 × 6/6 × 6 = 24/36 - Add the two like fractions:
21/36 + 24/36 = 21 + 24/36 = 45/36 - 45/36 simplified gives 5/4
- So, 21/36 + 4/6 = 5/4
In mixed form: 11/4
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