Add 30/3 and 72/9
1st number: 10 0/3, 2nd number: 8 0/9
30/3 + 72/9 is 18/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 9 is 9
Next, find the equivalent fraction of both fractional numbers with denominator 9 - For the 1st fraction, since 3 × 3 = 9,
30/3 = 30 × 3/3 × 3 = 90/9 - Likewise, for the 2nd fraction, since 9 × 1 = 9,
72/9 = 72 × 1/9 × 1 = 72/9 - Add the two like fractions:
90/9 + 72/9 = 90 + 72/9 = 162/9 - 162/9 simplified gives 18/1
- So, 30/3 + 72/9 = 18/1
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