Add 20/48 and 90/63
1st number: 20/48, 2nd number: 1 27/63
20/48 + 90/63 is 155/84.
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,
90/63 = 90 × 16/63 × 16 = 1440/1008 - Add the two like fractions:
420/1008 + 1440/1008 = 420 + 1440/1008 = 1860/1008 - 1860/1008 simplified gives 155/84
- So, 20/48 + 90/63 = 155/84
In mixed form: 171/84
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