Add 28/16 and 90/63
1st number: 1 12/16, 2nd number: 1 27/63
28/16 + 90/63 is 89/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 63 is 1008
Next, find the equivalent fraction of both fractional numbers with denominator 1008 - For the 1st fraction, since 16 × 63 = 1008,
28/16 = 28 × 63/16 × 63 = 1764/1008 - Likewise, for the 2nd fraction, since 63 × 16 = 1008,
90/63 = 90 × 16/63 × 16 = 1440/1008 - Add the two like fractions:
1764/1008 + 1440/1008 = 1764 + 1440/1008 = 3204/1008 - 3204/1008 simplified gives 89/28
- So, 28/16 + 90/63 = 89/28
In mixed form: 35/28
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