Add 9/18 and 16/21
9/18 + 16/21 is 53/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 21 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
9/18 = 9 × 7/18 × 7 = 63/126 - Likewise, for the 2nd fraction, since 21 × 6 = 126,
16/21 = 16 × 6/21 × 6 = 96/126 - Add the two like fractions:
63/126 + 96/126 = 63 + 96/126 = 159/126 - 159/126 simplified gives 53/42
- So, 9/18 + 16/21 = 53/42
In mixed form: 111/42
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