Add 20/90 and 6/4
1st number: 20/90, 2nd number: 1 2/4
20/90 + 6/4 is 31/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 4 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
20/90 = 20 × 2/90 × 2 = 40/180 - Likewise, for the 2nd fraction, since 4 × 45 = 180,
6/4 = 6 × 45/4 × 45 = 270/180 - Add the two like fractions:
40/180 + 270/180 = 40 + 270/180 = 310/180 - 310/180 simplified gives 31/18
- So, 20/90 + 6/4 = 31/18
In mixed form: 113/18
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