Add 9/8 and 9/18
1st number: 1 1/8, 2nd number: 9/18
9/8 + 9/18 is 13/8.
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,
9/8 = 9 × 9/8 × 9 = 81/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
9/18 = 9 × 4/18 × 4 = 36/72 - Add the two like fractions:
81/72 + 36/72 = 81 + 36/72 = 117/72 - 117/72 simplified gives 13/8
- So, 9/8 + 9/18 = 13/8
In mixed form: 15/8
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