Add 21/72 and 16/3
1st number: 21/72, 2nd number: 5 1/3
21/72 + 16/3 is 45/8.
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,
16/3 = 16 × 24/3 × 24 = 384/72 - Add the two like fractions:
21/72 + 384/72 = 21 + 384/72 = 405/72 - 405/72 simplified gives 45/8
- So, 21/72 + 16/3 = 45/8
In mixed form: 55/8
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