Add 90/8 and 90/9
1st number: 11 2/8, 2nd number: 10 0/9
90/8 + 90/9 is 85/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 9 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
90/8 = 90 × 9/8 × 9 = 810/72 - Likewise, for the 2nd fraction, since 9 × 8 = 72,
90/9 = 90 × 8/9 × 8 = 720/72 - Add the two like fractions:
810/72 + 720/72 = 810 + 720/72 = 1530/72 - 1530/72 simplified gives 85/4
- So, 90/8 + 90/9 = 85/4
In mixed form: 211/4
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