Add 3/2 and 20/90
1st number: 1 1/2, 2nd number: 20/90
3/2 + 20/90 is 31/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 2 × 45 = 90,
3/2 = 3 × 45/2 × 45 = 135/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
20/90 = 20 × 1/90 × 1 = 20/90 - Add the two like fractions:
135/90 + 20/90 = 135 + 20/90 = 155/90 - 155/90 simplified gives 31/18
- So, 3/2 + 20/90 = 31/18
In mixed form: 113/18
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