Add 20/24 and 42/63
20/24 + 42/63 is 3/2.
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,
42/63 = 42 × 8/63 × 8 = 336/504 - Add the two like fractions:
420/504 + 336/504 = 420 + 336/504 = 756/504 - 756/504 simplified gives 3/2
- So, 20/24 + 42/63 = 3/2
In mixed form: 11/2
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