Add 20/24 and 45/63
20/24 + 45/63 is 65/42.
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,
20/24 = 20 × 21/24 × 21 = 420/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
45/63 = 45 × 8/63 × 8 = 360/504 - Add the two like fractions:
420/504 + 360/504 = 420 + 360/504 = 780/504 - 780/504 simplified gives 65/42
- So, 20/24 + 45/63 = 65/42
In mixed form: 123/42
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