Add 27/8 and 21/72
1st number: 3 3/8, 2nd number: 21/72
27/8 + 21/72 is 11/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
27/8 = 27 × 9/8 × 9 = 243/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
21/72 = 21 × 1/72 × 1 = 21/72 - Add the two like fractions:
243/72 + 21/72 = 243 + 21/72 = 264/72 - 264/72 simplified gives 11/3
- So, 27/8 + 21/72 = 11/3
In mixed form: 32/3
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