Add 20/48 and 42/63
20/48 + 42/63 is 13/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 63 is 1008
Next, find the equivalent fraction of both fractional numbers with denominator 1008 - For the 1st fraction, since 48 × 21 = 1008,
20/48 = 20 × 21/48 × 21 = 420/1008 - Likewise, for the 2nd fraction, since 63 × 16 = 1008,
42/63 = 42 × 16/63 × 16 = 672/1008 - Add the two like fractions:
420/1008 + 672/1008 = 420 + 672/1008 = 1092/1008 - 1092/1008 simplified gives 13/12
- So, 20/48 + 42/63 = 13/12
In mixed form: 11/12
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