Add 10/20 and 90/18
1st number: 10/20, 2nd number: 5 0/18
10/20 + 90/18 is 11/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 18 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
10/20 = 10 × 9/20 × 9 = 90/180 - Likewise, for the 2nd fraction, since 18 × 10 = 180,
90/18 = 90 × 10/18 × 10 = 900/180 - Add the two like fractions:
90/180 + 900/180 = 90 + 900/180 = 990/180 - 990/180 simplified gives 11/2
- So, 10/20 + 90/18 = 11/2
In mixed form: 51/2
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