Add 90/45 and 18/36
1st number: 2 0/45, 2nd number: 18/36
90/45 + 18/36 is 5/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
90/45 = 90 × 4/45 × 4 = 360/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
18/36 = 18 × 5/36 × 5 = 90/180 - Add the two like fractions:
360/180 + 90/180 = 360 + 90/180 = 450/180 - 450/180 simplified gives 5/2
- So, 90/45 + 18/36 = 5/2
In mixed form: 21/2
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