Add 18/90 and 28/16
1st number: 18/90, 2nd number: 1 12/16
18/90 + 28/16 is 39/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 16 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 90 × 8 = 720,
18/90 = 18 × 8/90 × 8 = 144/720 - Likewise, for the 2nd fraction, since 16 × 45 = 720,
28/16 = 28 × 45/16 × 45 = 1260/720 - Add the two like fractions:
144/720 + 1260/720 = 144 + 1260/720 = 1404/720 - 1404/720 simplified gives 39/20
- So, 18/90 + 28/16 = 39/20
In mixed form: 119/20
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