Add 28/16 and 90/45
1st number: 1 12/16, 2nd number: 2 0/45
28/16 + 90/45 is 15/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 45 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 16 × 45 = 720,
28/16 = 28 × 45/16 × 45 = 1260/720 - Likewise, for the 2nd fraction, since 45 × 16 = 720,
90/45 = 90 × 16/45 × 16 = 1440/720 - Add the two like fractions:
1260/720 + 1440/720 = 1260 + 1440/720 = 2700/720 - 2700/720 simplified gives 15/4
- So, 28/16 + 90/45 = 15/4
In mixed form: 33/4
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