Add 21/24 and 30/63
21/24 + 30/63 is 227/168.
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,
30/63 = 30 × 8/63 × 8 = 240/504 - Add the two like fractions:
441/504 + 240/504 = 441 + 240/504 = 681/504 - 681/504 simplified gives 227/168
- So, 21/24 + 30/63 = 227/168
In mixed form: 159/168
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