Add 90/8 and 8/18
1st number: 11 2/8, 2nd number: 8/18
90/8 + 8/18 is 421/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 18 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 18 × 4 = 72,
8/18 = 8 × 4/18 × 4 = 32/72 - Add the two like fractions:
810/72 + 32/72 = 810 + 32/72 = 842/72 - 842/72 simplified gives 421/36
- So, 90/8 + 8/18 = 421/36
In mixed form: 1125/36
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