Add 21/24 and 40/63
21/24 + 40/63 is 761/504.
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,
40/63 = 40 × 8/63 × 8 = 320/504 - Add the two like fractions:
441/504 + 320/504 = 441 + 320/504 = 761/504 - So, 21/24 + 40/63 = 761/504
In mixed form: 1257/504
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