Add 90/45 and 80/75
1st number: 2 0/45, 2nd number: 1 5/75
90/45 + 80/75 is 46/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 75 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 45 × 5 = 225,
90/45 = 90 × 5/45 × 5 = 450/225 - Likewise, for the 2nd fraction, since 75 × 3 = 225,
80/75 = 80 × 3/75 × 3 = 240/225 - Add the two like fractions:
450/225 + 240/225 = 450 + 240/225 = 690/225 - 690/225 simplified gives 46/15
- So, 90/45 + 80/75 = 46/15
In mixed form: 31/15
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