Add 45/18 and 80/90
1st number: 2 9/18, 2nd number: 80/90
45/18 + 80/90 is 61/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
45/18 = 45 × 5/18 × 5 = 225/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
80/90 = 80 × 1/90 × 1 = 80/90 - Add the two like fractions:
225/90 + 80/90 = 225 + 80/90 = 305/90 - 305/90 simplified gives 61/18
- So, 45/18 + 80/90 = 61/18
In mixed form: 37/18
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