Add 18/63 and 21/24
18/63 + 21/24 is 65/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 24 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 63 × 8 = 504,
18/63 = 18 × 8/63 × 8 = 144/504 - Likewise, for the 2nd fraction, since 24 × 21 = 504,
21/24 = 21 × 21/24 × 21 = 441/504 - Add the two like fractions:
144/504 + 441/504 = 144 + 441/504 = 585/504 - 585/504 simplified gives 65/56
- So, 18/63 + 21/24 = 65/56
In mixed form: 19/56
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