Add 90/45 and 35/18
1st number: 2 0/45, 2nd number: 1 17/18
90/45 + 35/18 is 71/18.
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,
35/18 = 35 × 5/18 × 5 = 175/90 - Add the two like fractions:
180/90 + 175/90 = 180 + 175/90 = 355/90 - 355/90 simplified gives 71/18
- So, 90/45 + 35/18 = 71/18
In mixed form: 317/18
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