Add 28/90 and 72/36
1st number: 28/90, 2nd number: 2 0/36
28/90 + 72/36 is 104/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
28/90 = 28 × 2/90 × 2 = 56/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
72/36 = 72 × 5/36 × 5 = 360/180 - Add the two like fractions:
56/180 + 360/180 = 56 + 360/180 = 416/180 - 416/180 simplified gives 104/45
- So, 28/90 + 72/36 = 104/45
In mixed form: 214/45
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