Add 21/72 and 72/9
1st number: 21/72, 2nd number: 8 0/9
21/72 + 72/9 is 199/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 9 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 9 × 8 = 72,
72/9 = 72 × 8/9 × 8 = 576/72 - Add the two like fractions:
21/72 + 576/72 = 21 + 576/72 = 597/72 - 597/72 simplified gives 199/24
- So, 21/72 + 72/9 = 199/24
In mixed form: 87/24
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