Add 21/36 and 6/8
21/36 + 6/8 is 4/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 36 × 2 = 72,
21/36 = 21 × 2/36 × 2 = 42/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
6/8 = 6 × 9/8 × 9 = 54/72 - Add the two like fractions:
42/72 + 54/72 = 42 + 54/72 = 96/72 - 96/72 simplified gives 4/3
- So, 21/36 + 6/8 = 4/3
In mixed form: 11/3
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