Add 81/9 and 9/7
1st number: 9 0/9, 2nd number: 1 2/7
81/9 + 9/7 is 72/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 7 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 9 × 7 = 63,
81/9 = 81 × 7/9 × 7 = 567/63 - Likewise, for the 2nd fraction, since 7 × 9 = 63,
9/7 = 9 × 9/7 × 9 = 81/63 - Add the two like fractions:
567/63 + 81/63 = 567 + 81/63 = 648/63 - 648/63 simplified gives 72/7
- So, 81/9 + 9/7 = 72/7
In mixed form: 102/7
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