Add 21/72 and 8/3
1st number: 21/72, 2nd number: 2 2/3
21/72 + 8/3 is 71/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 3 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
21/72 = 21 × 1/72 × 1 = 21/72 - Likewise, for the 2nd fraction, since 3 × 24 = 72,
8/3 = 8 × 24/3 × 24 = 192/72 - Add the two like fractions:
21/72 + 192/72 = 21 + 192/72 = 213/72 - 213/72 simplified gives 71/24
- So, 21/72 + 8/3 = 71/24
In mixed form: 223/24
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