Add 90/36 and 20/5
1st number: 2 18/36, 2nd number: 4 0/5
90/36 + 20/5 is 13/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 5 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
90/36 = 90 × 5/36 × 5 = 450/180 - Likewise, for the 2nd fraction, since 5 × 36 = 180,
20/5 = 20 × 36/5 × 36 = 720/180 - Add the two like fractions:
450/180 + 720/180 = 450 + 720/180 = 1170/180 - 1170/180 simplified gives 13/2
- So, 90/36 + 20/5 = 13/2
In mixed form: 61/2
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