Add 90/45 and 2/18
1st number: 2 0/45, 2nd number: 2/18
90/45 + 2/18 is 19/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
90/45 = 90 × 2/45 × 2 = 180/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
2/18 = 2 × 5/18 × 5 = 10/90 - Add the two like fractions:
180/90 + 10/90 = 180 + 10/90 = 190/90 - 190/90 simplified gives 19/9
- So, 90/45 + 2/18 = 19/9
In mixed form: 21/9
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