Add 81/9 and 12/72
1st number: 9 0/9, 2nd number: 12/72
81/9 + 12/72 is 55/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 9 × 8 = 72,
81/9 = 81 × 8/9 × 8 = 648/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
12/72 = 12 × 1/72 × 1 = 12/72 - Add the two like fractions:
648/72 + 12/72 = 648 + 12/72 = 660/72 - 660/72 simplified gives 55/6
- So, 81/9 + 12/72 = 55/6
In mixed form: 91/6
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