Add 21/36 and 30/8
1st number: 21/36, 2nd number: 3 6/8
21/36 + 30/8 is 13/3.
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,
30/8 = 30 × 9/8 × 9 = 270/72 - Add the two like fractions:
42/72 + 270/72 = 42 + 270/72 = 312/72 - 312/72 simplified gives 13/3
- So, 21/36 + 30/8 = 13/3
In mixed form: 41/3
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