Add 81/9 and 90/8
1st number: 9 0/9, 2nd number: 11 2/8
81/9 + 90/8 is 81/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 8 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 8 × 9 = 72,
90/8 = 90 × 9/8 × 9 = 810/72 - Add the two like fractions:
648/72 + 810/72 = 648 + 810/72 = 1458/72 - 1458/72 simplified gives 81/4
- So, 81/9 + 90/8 = 81/4
In mixed form: 201/4
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