Add 16/63 and 18/21
16/63 + 18/21 is 10/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 21 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 63 × 1 = 63,
16/63 = 16 × 1/63 × 1 = 16/63 - Likewise, for the 2nd fraction, since 21 × 3 = 63,
18/21 = 18 × 3/21 × 3 = 54/63 - Add the two like fractions:
16/63 + 54/63 = 16 + 54/63 = 70/63 - 70/63 simplified gives 10/9
- So, 16/63 + 18/21 = 10/9
In mixed form: 11/9
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