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